[{"data":1,"prerenderedAt":2504},["ShallowReactive",2],{"post-pregnancy-duration-weeks-guide":3},{"post":4,"htmlString":2503},{"id":5,"title":6,"slug":7,"tag":8,"eyecatchUrl":12,"createdAt":13,"updatedAt":14,"body":15,"next":-1,"previous":2498},"4icvULtI8iu8GbmYts8acq","十月十日（とつきとおか）とは？実際の妊娠期間や週数の数え方・過ごし方を徹底解説","pregnancy-duration-weeks-guide",{"name":9,"label":10,"description":11},"magazine","ミスコンレポート＆コラム","グランプリを目指すミスコンモデルの施術レポート＆美と健康の“真実“を配信しています。ぜひご覧ください。","https://images.ctfassets.net/hi9e7y4qjp3u/bskLatOr4YOVilif7Il6S/a906cea9312bad620c68a85e969244de/__.jpg",["Date","2026-07-27T02:00:09.866Z"],["Date","2026-07-27T02:00:09.866Z"],{"nodeType":16,"data":17,"content":18},"document",{},[19,28,35,42,49,56,63,70,77,83,87,93,99,107,113,119,154,160,166,173,179,185,191,199,205,229,235,242,249,256,263,269,275,290,296,309,315,322,328,334,340,347,353,377,383,390,396,402,435,441,447,454,487,493,499,506,512,518,521,527,533,540,546,552,575,581,587,594,601,607,613,619,626,632,657,663,670,676,682,689,722,728,734,741,764,770,776,783,789,795,801,808,814,838,844,851,858,864,870,876,909,915,921,927,960,966,972,978,985,991,1015,1021,1028,1034,1040,1046,1079,1085,1091,1097,1120,1126,1132,1135,1141,1147,1154,1160,1166,1189,1195,1201,1208,1214,1220,1226,1233,1239,1261,1267,1274,1280,1286,1293,1299,1306,1312,1319,1325,1331,1338,1344,1350,1356,1363,1369,1394,1400,1407,1414,1420,1453,1459,1466,1472,1478,1484,1491,1497,1504,1511,1517,1523,1566,1572,1578,1585,1591,1597,1600,1606,1612,1619,1625,1631,1654,1660,1666,1673,1679,1685,1691,1698,1704,1711,1717,1723,1746,1752,1758,1765,1798,1804,1811,1817,1823,1829,1836,1842,1866,1872,1879,1885,1898,1904,1917,1923,1929,1932,1938,1944,1951,1957,1963,1985,1991,1997,2004,2010,2016,2022,2029,2035,2059,2065,2072,2079,2086,2092,2098,2104,2111,2117,2139,2145,2152,2159,2166,2172,2178,2184,2191,2197,2219,2225,2232,2239,2246,2252,2258,2261,2267,2273,2280,2286,2292,2316,2322,2328,2335,2342,2349,2356,2362,2368,2371,2377,2383,2392,2400,2424,2437,2443,2450,2457,2464,2471,2478,2485,2492],{"nodeType":20,"data":21,"content":22},"paragraph",{},[23],{"nodeType":24,"value":25,"marks":26,"data":27},"text","出産予定日を意識し始めると、「十月十日（とつきとおか）」という言葉を耳にする機会が増えますよね。",[],{},{"nodeType":20,"data":29,"content":30},{},[31],{"nodeType":24,"value":32,"marks":33,"data":34},"この表現は、古くから日本で親しまれてきた妊娠期間を表す言葉です。",[],{},{"nodeType":20,"data":36,"content":37},{},[38],{"nodeType":24,"value":39,"marks":40,"data":41},"しかし、現代の医療現場では「妊娠◯週◯日」と週数でカウントするのが一般的です。",[],{},{"nodeType":20,"data":43,"content":44},{},[45],{"nodeType":24,"value":46,"marks":47,"data":48},"「十月十日は実際何日なの？」「暦通りの10ヶ月と10日とは違うの？」と疑問を抱く方も多いのではないでしょうか。",[],{},{"nodeType":20,"data":50,"content":51},{},[52],{"nodeType":24,"value":53,"marks":54,"data":55},"この記事では、「十月十日」という言葉の由来や実際の妊娠期間、現代医学に基づいた正確な週数の数え方を分かりやすく解説します。",[],{},{"nodeType":20,"data":57,"content":58},{},[59],{"nodeType":24,"value":60,"marks":61,"data":62},"また、妊娠週数ごとの母体の変化や最新の公的データ、健やかなマタニティライフを過ごすためのポイントも網羅しました。",[],{},{"nodeType":20,"data":64,"content":65},{},[66],{"nodeType":24,"value":67,"marks":68,"data":69},"ぜひ参考にしてください。",[],{},{"nodeType":20,"data":71,"content":72},{},[73],{"nodeType":24,"value":74,"marks":75,"data":76},"",[],{},{"nodeType":20,"data":78,"content":79},{},[80],{"nodeType":24,"value":74,"marks":81,"data":82},[],{},{"nodeType":84,"data":85,"content":86},"hr",{},[],{"nodeType":20,"data":88,"content":89},{},[90],{"nodeType":24,"value":74,"marks":91,"data":92},[],{},{"nodeType":20,"data":94,"content":95},{},[96],{"nodeType":24,"value":74,"marks":97,"data":98},[],{},{"nodeType":100,"data":101,"content":102},"heading-2",{},[103],{"nodeType":24,"value":104,"marks":105,"data":106},"1. 「十月十日」とは何日間？妊娠期間の基礎知識",[],{},{"nodeType":20,"data":108,"content":109},{},[110],{"nodeType":24,"value":74,"marks":111,"data":112},[],{},{"nodeType":20,"data":114,"content":115},{},[116],{"nodeType":24,"value":74,"marks":117,"data":118},[],{},{"nodeType":120,"data":121,"content":153},"embedded-asset-block",{"target":122},{"metadata":123,"sys":126,"fields":142},{"tags":124,"concepts":125},[],[],{"space":127,"id":132,"type":133,"createdAt":134,"updatedAt":134,"environment":135,"publishedVersion":139,"revision":140,"locale":141},{"sys":128},{"type":129,"linkType":130,"id":131},"Link","Space","hi9e7y4qjp3u","7a0RA7Y0j5MhIXeDdwHomV","Asset","2026-06-19T02:42:31.583Z",{"sys":136},{"id":137,"type":129,"linkType":138},"master","Environment",3,1,"ja",{"title":143,"description":74,"file":144},"はてな2",{"url":145,"details":146,"fileName":151,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/7a0RA7Y0j5MhIXeDdwHomV/a979bbe9226b2b1ed002298023d7caa8/1312fa40-1f1b-4081-b870-743babfb27cf.jpg",{"size":147,"image":148},258805,{"width":149,"height":150},1253,836,"はてな2.jpg","image/jpeg",[],{"nodeType":20,"data":155,"content":156},{},[157],{"nodeType":24,"value":74,"marks":158,"data":159},[],{},{"nodeType":20,"data":161,"content":162},{},[163],{"nodeType":24,"value":74,"marks":164,"data":165},[],{},{"nodeType":20,"data":167,"content":168},{},[169],{"nodeType":24,"value":170,"marks":171,"data":172},"まずは、「十月十日」という言葉の意味や、具体的にどれくらいの期間を指すのかという基礎知識から確認していきましょう。",[],{},{"nodeType":20,"data":174,"content":175},{},[176],{"nodeType":24,"value":74,"marks":177,"data":178},[],{},{"nodeType":20,"data":180,"content":181},{},[182],{"nodeType":24,"value":74,"marks":183,"data":184},[],{},{"nodeType":20,"data":186,"content":187},{},[188],{"nodeType":24,"value":74,"marks":189,"data":190},[],{},{"nodeType":192,"data":193,"content":194},"heading-3",{},[195],{"nodeType":24,"value":196,"marks":197,"data":198},"1-1. 昔ながらの「十月十日」の由来と実際の計算方法",[],{},{"nodeType":20,"data":200,"content":201},{},[202],{"nodeType":24,"value":74,"marks":203,"data":204},[],{},{"nodeType":120,"data":206,"content":228},{"target":207},{"metadata":208,"sys":211,"fields":218},{"tags":209,"concepts":210},[],[],{"space":212,"id":214,"type":133,"createdAt":215,"updatedAt":215,"environment":216,"publishedVersion":139,"revision":140,"locale":141},{"sys":213},{"type":129,"linkType":130,"id":131},"5EzexRa3foh6Iy9700O8Aa","2025-12-10T05:55:23.448Z",{"sys":217},{"id":137,"type":129,"linkType":138},{"title":219,"description":74,"file":220},"ひらめき",{"url":221,"details":222,"fileName":227,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/5EzexRa3foh6Iy9700O8Aa/048e593bd1a3723d71a4ae3240116bb2/ã__ã__ã__ã__.jpg",{"size":223,"image":224},197586,{"width":225,"height":226},1280,853,"ひらめき.jpg",[],{"nodeType":20,"data":230,"content":231},{},[232],{"nodeType":24,"value":74,"marks":233,"data":234},[],{},{"nodeType":20,"data":236,"content":237},{},[238],{"nodeType":24,"value":239,"marks":240,"data":241},"結論から言うと、現代の医学における妊娠期間は「280日間」と定められています。",[],{},{"nodeType":20,"data":243,"content":244},{},[245],{"nodeType":24,"value":246,"marks":247,"data":248},"文字通り「10ヶ月＋10日」と考えると、カレンダー上では約315日前後になってしまい、実際の妊娠期間とは大きなズレが生じます。",[],{},{"nodeType":20,"data":250,"content":251},{},[252],{"nodeType":24,"value":253,"marks":254,"data":255},"では、なぜ「十月十日」と呼ばれるようになったのでしょうか。",[],{},{"nodeType":20,"data":257,"content":258},{},[259],{"nodeType":24,"value":260,"marks":261,"data":262},"主な理由は以下の2点にあります。",[],{},{"nodeType":20,"data":264,"content":265},{},[266],{"nodeType":24,"value":74,"marks":267,"data":268},[],{},{"nodeType":20,"data":270,"content":271},{},[272],{"nodeType":24,"value":74,"marks":273,"data":274},[],{},{"nodeType":276,"data":277,"content":278},"unordered-list",{},[279],{"nodeType":280,"data":281,"content":282},"list-item",{},[283],{"nodeType":20,"data":284,"content":285},{},[286],{"nodeType":24,"value":287,"marks":288,"data":289},"旧暦（太陰暦）に基づくカウント 昔の日本では、月のみちかけ（約28日）を1ヶ月とする太陰暦が使われていました。28日×10ヶ月＝280日となり、これに語呂合わせや「満開の時を迎える」という意味合いを込めて「十日」を加えたという説が有力です。",[],{},{"nodeType":20,"data":291,"content":292},{},[293],{"nodeType":24,"value":74,"marks":294,"data":295},[],{},{"nodeType":276,"data":297,"content":298},{},[299],{"nodeType":280,"data":300,"content":301},{},[302],{"nodeType":20,"data":303,"content":304},{},[305],{"nodeType":24,"value":306,"marks":307,"data":308},"「数え年」のような習慣 妊娠が発覚した月を「妊娠1ヶ月目」とし、出産を迎える月が「10ヶ月目」にあたるため、おおらかな表現として定着したとも考えられています。",[],{},{"nodeType":20,"data":310,"content":311},{},[312],{"nodeType":24,"value":74,"marks":313,"data":314},[],{},{"nodeType":20,"data":316,"content":317},{},[318],{"nodeType":24,"value":319,"marks":320,"data":321},"つまり、「十月十日」とは正確な日数というよりも、赤ちゃんがお腹の中で成長する約280日間を象徴的に表現した美しい言葉なのです。",[],{},{"nodeType":20,"data":323,"content":324},{},[325],{"nodeType":24,"value":74,"marks":326,"data":327},[],{},{"nodeType":20,"data":329,"content":330},{},[331],{"nodeType":24,"value":74,"marks":332,"data":333},[],{},{"nodeType":20,"data":335,"content":336},{},[337],{"nodeType":24,"value":74,"marks":338,"data":339},[],{},{"nodeType":192,"data":341,"content":342},{},[343],{"nodeType":24,"value":344,"marks":345,"data":346},"1-2. 現代医学における妊娠期間の定義（妊娠40週＝280日）",[],{},{"nodeType":20,"data":348,"content":349},{},[350],{"nodeType":24,"value":74,"marks":351,"data":352},[],{},{"nodeType":120,"data":354,"content":376},{"target":355},{"metadata":356,"sys":359,"fields":366},{"tags":357,"concepts":358},[],[],{"space":360,"id":362,"type":133,"createdAt":363,"updatedAt":363,"environment":364,"publishedVersion":139,"revision":140,"locale":141},{"sys":361},{"type":129,"linkType":130,"id":131},"4fNF8RSAaKIXb268ixzU7Q","2025-04-03T03:15:49.199Z",{"sys":365},{"id":137,"type":129,"linkType":138},{"title":367,"description":74,"file":368},"カレンダー",{"url":369,"details":370,"fileName":375,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/4fNF8RSAaKIXb268ixzU7Q/762b1887fc52a17e0ebcbbcbe980ed2b/カレンダー.jpeg",{"size":371,"image":372},1779550,{"width":373,"height":374},4592,2584,"カレンダー.jpeg",[],{"nodeType":20,"data":378,"content":379},{},[380],{"nodeType":24,"value":74,"marks":381,"data":382},[],{},{"nodeType":20,"data":384,"content":385},{},[386],{"nodeType":24,"value":387,"marks":388,"data":389},"現在、産婦人科をはじめとする医療現場では、世界共通で「週数（しゅうすう）」を用いたカウント方法が採用されています。",[],{},{"nodeType":20,"data":391,"content":392},{},[393],{"nodeType":24,"value":74,"marks":394,"data":395},[],{},{"nodeType":20,"data":397,"content":398},{},[399],{"nodeType":24,"value":74,"marks":400,"data":401},[],{},{"nodeType":276,"data":403,"content":404},{},[405,415,425],{"nodeType":280,"data":406,"content":407},{},[408],{"nodeType":20,"data":409,"content":410},{},[411],{"nodeType":24,"value":412,"marks":413,"data":414},"妊娠期間の基準： 最終月経の開始日を「妊娠0週0日」とする",[],{},{"nodeType":280,"data":416,"content":417},{},[418],{"nodeType":20,"data":419,"content":420},{},[421],{"nodeType":24,"value":422,"marks":423,"data":424},"出産予定日： 妊娠40週0日（＝280日目）",[],{},{"nodeType":280,"data":426,"content":427},{},[428],{"nodeType":20,"data":429,"content":430},{},[431],{"nodeType":24,"value":432,"marks":433,"data":434},"1ヶ月の定義： 妊娠期間における「1ヶ月」は4週間（28日間）で固定",[],{},{"nodeType":20,"data":436,"content":437},{},[438],{"nodeType":24,"value":74,"marks":439,"data":440},[],{},{"nodeType":20,"data":442,"content":443},{},[444],{"nodeType":24,"value":74,"marks":445,"data":446},[],{},{"nodeType":20,"data":448,"content":449},{},[450],{"nodeType":24,"value":451,"marks":452,"data":453},"妊娠月数が、",[],{},{"nodeType":276,"data":455,"content":456},{},[457,467,477],{"nodeType":280,"data":458,"content":459},{},[460],{"nodeType":20,"data":461,"content":462},{},[463],{"nodeType":24,"value":464,"marks":465,"data":466},"1ヶ月～4ヶ月（妊娠初期）は、週数でいうと0週～15週",[],{},{"nodeType":280,"data":468,"content":469},{},[470],{"nodeType":20,"data":471,"content":472},{},[473],{"nodeType":24,"value":474,"marks":475,"data":476},"5ヶ月～7ヶ月（妊娠中期）は、週数でいうと16週～27週",[],{},{"nodeType":280,"data":478,"content":479},{},[480],{"nodeType":20,"data":481,"content":482},{},[483],{"nodeType":24,"value":484,"marks":485,"data":486},"8ヵ月～10ヶ月（妊娠後期）は、週数でいうと28週～39週",[],{},{"nodeType":20,"data":488,"content":489},{},[490],{"nodeType":24,"value":74,"marks":491,"data":492},[],{},{"nodeType":20,"data":494,"content":495},{},[496],{"nodeType":24,"value":74,"marks":497,"data":498},[],{},{"nodeType":20,"data":500,"content":501},{},[502],{"nodeType":24,"value":503,"marks":504,"data":505},"最終月経の初日をスタート地点とするため、実際にはまだ受精・妊娠していない時期（0週～1週頃）も妊娠期間に含まれるのが現代医学の大きな特徴です。",[],{},{"nodeType":20,"data":507,"content":508},{},[509],{"nodeType":24,"value":74,"marks":510,"data":511},[],{},{"nodeType":20,"data":513,"content":514},{},[515],{"nodeType":24,"value":74,"marks":516,"data":517},[],{},{"nodeType":84,"data":519,"content":520},{},[],{"nodeType":20,"data":522,"content":523},{},[524],{"nodeType":24,"value":74,"marks":525,"data":526},[],{},{"nodeType":20,"data":528,"content":529},{},[530],{"nodeType":24,"value":74,"marks":531,"data":532},[],{},{"nodeType":100,"data":534,"content":535},{},[536],{"nodeType":24,"value":537,"marks":538,"data":539},"2. 妊娠週数ごとに見る母体の変化と赤ちゃんの成長",[],{},{"nodeType":20,"data":541,"content":542},{},[543],{"nodeType":24,"value":74,"marks":544,"data":545},[],{},{"nodeType":20,"data":547,"content":548},{},[549],{"nodeType":24,"value":74,"marks":550,"data":551},[],{},{"nodeType":120,"data":553,"content":574},{"target":554},{"metadata":555,"sys":558,"fields":565},{"tags":556,"concepts":557},[],[],{"space":559,"id":561,"type":133,"createdAt":562,"updatedAt":562,"environment":563,"publishedVersion":139,"revision":140,"locale":141},{"sys":560},{"type":129,"linkType":130,"id":131},"7i4BrztXPfqGxEcj6nXrR6","2026-06-11T09:59:33.803Z",{"sys":564},{"id":137,"type":129,"linkType":138},{"title":566,"description":74,"file":567},"虫メガネ3",{"url":568,"details":569,"fileName":573,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/7i4BrztXPfqGxEcj6nXrR6/25c9d8033e36f7419d9e7629b2848f06/ebf440de-800f-438a-82a3-8d28427c93df.jpg",{"size":570,"image":571},267982,{"width":572,"height":150},1254,"虫メガネ3.jpg",[],{"nodeType":20,"data":576,"content":577},{},[578],{"nodeType":24,"value":74,"marks":579,"data":580},[],{},{"nodeType":20,"data":582,"content":583},{},[584],{"nodeType":24,"value":74,"marks":585,"data":586},[],{},{"nodeType":20,"data":588,"content":589},{},[590],{"nodeType":24,"value":591,"marks":592,"data":593},"十月十日（280日間）という期間の中で、お母さんの身体と赤ちゃんは劇的な変化を遂げます。",[],{},{"nodeType":20,"data":595,"content":596},{},[597],{"nodeType":24,"value":598,"marks":599,"data":600},"ここでは、初期・中期・後期の3つのフェーズに分けて、それぞれの特徴を解説します。",[],{},{"nodeType":20,"data":602,"content":603},{},[604],{"nodeType":24,"value":74,"marks":605,"data":606},[],{},{"nodeType":20,"data":608,"content":609},{},[610],{"nodeType":24,"value":74,"marks":611,"data":612},[],{},{"nodeType":20,"data":614,"content":615},{},[616],{"nodeType":24,"value":74,"marks":617,"data":618},[],{},{"nodeType":192,"data":620,"content":621},{},[622],{"nodeType":24,"value":623,"marks":624,"data":625},"2-1. 妊娠初期（0週～15週）：体の変化と「つわり」の時期",[],{},{"nodeType":20,"data":627,"content":628},{},[629],{"nodeType":24,"value":74,"marks":630,"data":631},[],{},{"nodeType":120,"data":633,"content":656},{"target":634},{"metadata":635,"sys":638,"fields":645},{"tags":636,"concepts":637},[],[],{"space":639,"id":641,"type":133,"createdAt":642,"updatedAt":642,"environment":643,"publishedVersion":139,"revision":140,"locale":141},{"sys":640},{"type":129,"linkType":130,"id":131},"5GlFIQGp44Bn0prLxstGB5","2024-03-16T03:13:17.232Z",{"sys":644},{"id":137,"type":129,"linkType":138},{"title":646,"description":74,"file":647},"女性 ダウン",{"url":648,"details":649,"fileName":654,"contentType":655},"//images.ctfassets.net/hi9e7y4qjp3u/5GlFIQGp44Bn0prLxstGB5/ca7d255dc7dcdb3f59eada27635791f5/_______.png",{"size":650,"image":651},583463,{"width":652,"height":653},970,650,"女性 ダウン.png","image/png",[],{"nodeType":20,"data":658,"content":659},{},[660],{"nodeType":24,"value":74,"marks":661,"data":662},[],{},{"nodeType":20,"data":664,"content":665},{},[666],{"nodeType":24,"value":667,"marks":668,"data":669},"妊娠初期は、お腹の中の受精卵が急速に細胞分裂を繰り返し、人間としての重要な器官をつくり上げる極めて大切な時期です。",[],{},{"nodeType":20,"data":671,"content":672},{},[673],{"nodeType":24,"value":74,"marks":674,"data":675},[],{},{"nodeType":20,"data":677,"content":678},{},[679],{"nodeType":24,"value":74,"marks":680,"data":681},[],{},{"nodeType":20,"data":683,"content":684},{},[685],{"nodeType":24,"value":686,"marks":687,"data":688},"母体の変化",[],{},{"nodeType":276,"data":690,"content":691},{},[692,702,712],{"nodeType":280,"data":693,"content":694},{},[695],{"nodeType":20,"data":696,"content":697},{},[698],{"nodeType":24,"value":699,"marks":700,"data":701},"生理の遅れや熱っぽさ（高温期の継続）",[],{},{"nodeType":280,"data":703,"content":704},{},[705],{"nodeType":20,"data":706,"content":707},{},[708],{"nodeType":24,"value":709,"marks":710,"data":711},"ホルモンバランスの激変による「つわり」（吐き気、におい悪阻、倦怠感など）",[],{},{"nodeType":280,"data":713,"content":714},{},[715],{"nodeType":20,"data":716,"content":717},{},[718],{"nodeType":24,"value":719,"marks":720,"data":721},"子宮が大きくなり始めることによる下腹部の張りや頻尿",[],{},{"nodeType":20,"data":723,"content":724},{},[725],{"nodeType":24,"value":74,"marks":726,"data":727},[],{},{"nodeType":20,"data":729,"content":730},{},[731],{"nodeType":24,"value":74,"marks":732,"data":733},[],{},{"nodeType":20,"data":735,"content":736},{},[737],{"nodeType":24,"value":738,"marks":739,"data":740},"赤ちゃんの成長",[],{},{"nodeType":276,"data":742,"content":743},{},[744,754],{"nodeType":280,"data":745,"content":746},{},[747],{"nodeType":20,"data":748,"content":749},{},[750],{"nodeType":24,"value":751,"marks":752,"data":753},"妊娠8週頃には「胎芽（たいが）」から「胎児（たいじ）」と呼ばれるようになり、心音や手足の形が確認できるようになります。",[],{},{"nodeType":280,"data":755,"content":756},{},[757],{"nodeType":20,"data":758,"content":759},{},[760],{"nodeType":24,"value":761,"marks":762,"data":763},"妊娠12週頃には主要な内臓器官の原形が完成します。",[],{},{"nodeType":20,"data":765,"content":766},{},[767],{"nodeType":24,"value":74,"marks":768,"data":769},[],{},{"nodeType":20,"data":771,"content":772},{},[773],{"nodeType":24,"value":74,"marks":774,"data":775},[],{},{"nodeType":20,"data":777,"content":778},{},[779],{"nodeType":24,"value":780,"marks":781,"data":782},"この時期は体調が不安定になりやすいため、無理をせずしっかりと休息を取ることが最優先されます。",[],{},{"nodeType":20,"data":784,"content":785},{},[786],{"nodeType":24,"value":74,"marks":787,"data":788},[],{},{"nodeType":20,"data":790,"content":791},{},[792],{"nodeType":24,"value":74,"marks":793,"data":794},[],{},{"nodeType":20,"data":796,"content":797},{},[798],{"nodeType":24,"value":74,"marks":799,"data":800},[],{},{"nodeType":192,"data":802,"content":803},{},[804],{"nodeType":24,"value":805,"marks":806,"data":807},"2-2. 妊娠中期（16週～27週）：いわゆる「安定期」と胎動の感動",[],{},{"nodeType":20,"data":809,"content":810},{},[811],{"nodeType":24,"value":74,"marks":812,"data":813},[],{},{"nodeType":120,"data":815,"content":837},{"target":816},{"metadata":817,"sys":820,"fields":827},{"tags":818,"concepts":819},[],[],{"space":821,"id":823,"type":133,"createdAt":824,"updatedAt":824,"environment":825,"publishedVersion":139,"revision":140,"locale":141},{"sys":822},{"type":129,"linkType":130,"id":131},"5wLCsu55ry000TOiyTJaCw","2024-05-19T02:24:53.568Z",{"sys":826},{"id":137,"type":129,"linkType":138},{"title":828,"description":74,"file":829},"お腹 手",{"url":830,"details":831,"fileName":836,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/5wLCsu55ry000TOiyTJaCw/314dbfc207f6f964a2e08b417b5a259f/____.JPG",{"size":832,"image":833},416009,{"width":834,"height":835},2508,1672,"お腹 手.JPG",[],{"nodeType":20,"data":839,"content":840},{},[841],{"nodeType":24,"value":74,"marks":842,"data":843},[],{},{"nodeType":20,"data":845,"content":846},{},[847],{"nodeType":24,"value":848,"marks":849,"data":850},"妊娠16週に入ると胎盤がほぼ完成し、いわゆる「安定期」を迎えます。",[],{},{"nodeType":20,"data":852,"content":853},{},[854],{"nodeType":24,"value":855,"marks":856,"data":857},"つわりが落ち着き、心身ともに穏やかに過ごせる時間が増える時期です。",[],{},{"nodeType":20,"data":859,"content":860},{},[861],{"nodeType":24,"value":74,"marks":862,"data":863},[],{},{"nodeType":20,"data":865,"content":866},{},[867],{"nodeType":24,"value":74,"marks":868,"data":869},[],{},{"nodeType":20,"data":871,"content":872},{},[873],{"nodeType":24,"value":686,"marks":874,"data":875},[],{},{"nodeType":276,"data":877,"content":878},{},[879,889,899],{"nodeType":280,"data":880,"content":881},{},[882],{"nodeType":20,"data":883,"content":884},{},[885],{"nodeType":24,"value":886,"marks":887,"data":888},"つわりが治まり、食欲が回復する（※体重管理が必要な時期）",[],{},{"nodeType":280,"data":890,"content":891},{},[892],{"nodeType":20,"data":893,"content":894},{},[895],{"nodeType":24,"value":896,"marks":897,"data":898},"妊娠18週～20週頃にかけて、初めて「胎動」を感じる人が多くなる",[],{},{"nodeType":280,"data":900,"content":901},{},[902],{"nodeType":20,"data":903,"content":904},{},[905],{"nodeType":24,"value":906,"marks":907,"data":908},"乳房や下腹部が大きくなり、マタニティウェアが必要になる",[],{},{"nodeType":20,"data":910,"content":911},{},[912],{"nodeType":24,"value":74,"marks":913,"data":914},[],{},{"nodeType":20,"data":916,"content":917},{},[918],{"nodeType":24,"value":74,"marks":919,"data":920},[],{},{"nodeType":20,"data":922,"content":923},{},[924],{"nodeType":24,"value":738,"marks":925,"data":926},[],{},{"nodeType":276,"data":928,"content":929},{},[930,940,950],{"nodeType":280,"data":931,"content":932},{},[933],{"nodeType":20,"data":934,"content":935},{},[936],{"nodeType":24,"value":937,"marks":938,"data":939},"骨格や筋肉が発達し、羊水の中で活発に動き回るようになります。",[],{},{"nodeType":280,"data":941,"content":942},{},[943],{"nodeType":20,"data":944,"content":945},{},[946],{"nodeType":24,"value":947,"marks":948,"data":949},"聴覚が発達し、お腹の外の音やおかあさん・おとうさんの声が届き始めます。",[],{},{"nodeType":280,"data":951,"content":952},{},[953],{"nodeType":20,"data":954,"content":955},{},[956],{"nodeType":24,"value":957,"marks":958,"data":959},"超音波（エコー）検査で性別が判明することも増えていきます。",[],{},{"nodeType":20,"data":961,"content":962},{},[963],{"nodeType":24,"value":74,"marks":964,"data":965},[],{},{"nodeType":20,"data":967,"content":968},{},[969],{"nodeType":24,"value":74,"marks":970,"data":971},[],{},{"nodeType":20,"data":973,"content":974},{},[975],{"nodeType":24,"value":74,"marks":976,"data":977},[],{},{"nodeType":192,"data":979,"content":980},{},[981],{"nodeType":24,"value":982,"marks":983,"data":984},"2-3. 妊娠後期（28週～39週）：臨月と出産への準備期間",[],{},{"nodeType":20,"data":986,"content":987},{},[988],{"nodeType":24,"value":74,"marks":989,"data":990},[],{},{"nodeType":120,"data":992,"content":1014},{"target":993},{"metadata":994,"sys":997,"fields":1004},{"tags":995,"concepts":996},[],[],{"space":998,"id":1000,"type":133,"createdAt":1001,"updatedAt":1001,"environment":1002,"publishedVersion":139,"revision":140,"locale":141},{"sys":999},{"type":129,"linkType":130,"id":131},"1PbtxRfG5f6TjXLdxzBzBH","2026-07-12T02:22:51.711Z",{"sys":1003},{"id":137,"type":129,"linkType":138},{"title":1005,"description":74,"file":1006},"妊婦　抱き枕",{"url":1007,"details":1008,"fileName":1013,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/1PbtxRfG5f6TjXLdxzBzBH/c68f924f6060ee65795838c31c713fcb/05a2a4bb-7dbd-4b0c-9fc9-9be956ffb1b1.jpg",{"size":1009,"image":1010},557543,{"width":1011,"height":1012},1308,802,"妊婦　抱き枕.jpg",[],{"nodeType":20,"data":1016,"content":1017},{},[1018],{"nodeType":24,"value":74,"marks":1019,"data":1020},[],{},{"nodeType":20,"data":1022,"content":1023},{},[1024],{"nodeType":24,"value":1025,"marks":1026,"data":1027},"いよいよ出産が目前に迫る時期です。お腹がさらに大きくなり、物理的な負担が増してきます。",[],{},{"nodeType":20,"data":1029,"content":1030},{},[1031],{"nodeType":24,"value":74,"marks":1032,"data":1033},[],{},{"nodeType":20,"data":1035,"content":1036},{},[1037],{"nodeType":24,"value":74,"marks":1038,"data":1039},[],{},{"nodeType":20,"data":1041,"content":1042},{},[1043],{"nodeType":24,"value":686,"marks":1044,"data":1045},[],{},{"nodeType":276,"data":1047,"content":1048},{},[1049,1059,1069],{"nodeType":280,"data":1050,"content":1051},{},[1052],{"nodeType":20,"data":1053,"content":1054},{},[1055],{"nodeType":24,"value":1056,"marks":1057,"data":1058},"胃の圧迫感、腰痛、足のむくみ、便秘などのマイナートラブルの増加",[],{},{"nodeType":280,"data":1060,"content":1061},{},[1062],{"nodeType":20,"data":1063,"content":1064},{},[1065],{"nodeType":24,"value":1066,"marks":1067,"data":1068},"子宮が収縮する「前駆陣痛（ぜんくじんつう）」を感じることがある",[],{},{"nodeType":280,"data":1070,"content":1071},{},[1072],{"nodeType":20,"data":1073,"content":1074},{},[1075],{"nodeType":24,"value":1076,"marks":1077,"data":1078},"妊娠36週からは「臨月（りんげつ）」に入り、出産に向けた身体の準備が最終段階に入る",[],{},{"nodeType":20,"data":1080,"content":1081},{},[1082],{"nodeType":24,"value":74,"marks":1083,"data":1084},[],{},{"nodeType":20,"data":1086,"content":1087},{},[1088],{"nodeType":24,"value":74,"marks":1089,"data":1090},[],{},{"nodeType":20,"data":1092,"content":1093},{},[1094],{"nodeType":24,"value":738,"marks":1095,"data":1096},[],{},{"nodeType":276,"data":1098,"content":1099},{},[1100,1110],{"nodeType":280,"data":1101,"content":1102},{},[1103],{"nodeType":20,"data":1104,"content":1105},{},[1106],{"nodeType":24,"value":1107,"marks":1108,"data":1109},"皮下脂肪が蓄えられ、ふっくらとした赤ちゃんらしい体型になります。",[],{},{"nodeType":280,"data":1111,"content":1112},{},[1113],{"nodeType":20,"data":1114,"content":1115},{},[1116],{"nodeType":24,"value":1117,"marks":1118,"data":1119},"妊娠37週に入ると、器官の発達が十分整い、いつでも生まれてこられる状態（正期産）となります。",[],{},{"nodeType":20,"data":1121,"content":1122},{},[1123],{"nodeType":24,"value":74,"marks":1124,"data":1125},[],{},{"nodeType":20,"data":1127,"content":1128},{},[1129],{"nodeType":24,"value":74,"marks":1130,"data":1131},[],{},{"nodeType":84,"data":1133,"content":1134},{},[],{"nodeType":20,"data":1136,"content":1137},{},[1138],{"nodeType":24,"value":74,"marks":1139,"data":1140},[],{},{"nodeType":20,"data":1142,"content":1143},{},[1144],{"nodeType":24,"value":74,"marks":1145,"data":1146},[],{},{"nodeType":100,"data":1148,"content":1149},{},[1150],{"nodeType":24,"value":1151,"marks":1152,"data":1153},"3. 信頼できる統計データで知る「妊娠・出産」の現実",[],{},{"nodeType":20,"data":1155,"content":1156},{},[1157],{"nodeType":24,"value":74,"marks":1158,"data":1159},[],{},{"nodeType":20,"data":1161,"content":1162},{},[1163],{"nodeType":24,"value":74,"marks":1164,"data":1165},[],{},{"nodeType":120,"data":1167,"content":1188},{"target":1168},{"metadata":1169,"sys":1172,"fields":1179},{"tags":1170,"concepts":1171},[],[],{"space":1173,"id":1175,"type":133,"createdAt":1176,"updatedAt":1176,"environment":1177,"publishedVersion":139,"revision":140,"locale":141},{"sys":1174},{"type":129,"linkType":130,"id":131},"6boQrhEQpCWMJiBrZuQWg7","2026-03-07T08:06:03.725Z",{"sys":1178},{"id":137,"type":129,"linkType":138},{"title":1180,"description":74,"file":1181},"データ2",{"url":1182,"details":1183,"fileName":1187,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/6boQrhEQpCWMJiBrZuQWg7/6d9a0f792191e9903feb38600a7a7047/ã__ã__ã__2.jpg",{"size":1184,"image":1185},177271,{"width":225,"height":1186},850,"データ2.jpg",[],{"nodeType":20,"data":1190,"content":1191},{},[1192],{"nodeType":24,"value":74,"marks":1193,"data":1194},[],{},{"nodeType":20,"data":1196,"content":1197},{},[1198],{"nodeType":24,"value":74,"marks":1199,"data":1200},[],{},{"nodeType":20,"data":1202,"content":1203},{},[1204],{"nodeType":24,"value":1205,"marks":1206,"data":1207},"安心した妊娠期間を過ごすために、厚生労働省などの公的機関が発表している信頼性の高い統計データやガイドラインを確認しておきましょう。",[],{},{"nodeType":20,"data":1209,"content":1210},{},[1211],{"nodeType":24,"value":74,"marks":1212,"data":1213},[],{},{"nodeType":20,"data":1215,"content":1216},{},[1217],{"nodeType":24,"value":74,"marks":1218,"data":1219},[],{},{"nodeType":20,"data":1221,"content":1222},{},[1223],{"nodeType":24,"value":74,"marks":1224,"data":1225},[],{},{"nodeType":192,"data":1227,"content":1228},{},[1229],{"nodeType":24,"value":1230,"marks":1231,"data":1232},"3-1. 正期産・早産・過期産の割合と定義",[],{},{"nodeType":20,"data":1234,"content":1235},{},[1236],{"nodeType":24,"value":74,"marks":1237,"data":1238},[],{},{"nodeType":120,"data":1240,"content":1260},{"target":1241},{"metadata":1242,"sys":1245,"fields":1252},{"tags":1243,"concepts":1244},[],[],{"space":1246,"id":1248,"type":133,"createdAt":1249,"updatedAt":1249,"environment":1250,"publishedVersion":139,"revision":140,"locale":141},{"sys":1247},{"type":129,"linkType":130,"id":131},"3GOsK6NvCK1W18k3rizdBB","2026-03-15T03:25:08.079Z",{"sys":1251},{"id":137,"type":129,"linkType":138},{"title":1253,"description":74,"file":1254},"虫メガネ2",{"url":1255,"details":1256,"fileName":1259,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/3GOsK6NvCK1W18k3rizdBB/50034845ae5012ca3ebeadf68aa255a4/è__ã__ã__ã__2.jpg",{"size":1257,"image":1258},369101,{"width":572,"height":150},"虫メガネ2.jpg",[],{"nodeType":20,"data":1262,"content":1263},{},[1264],{"nodeType":24,"value":74,"marks":1265,"data":1266},[],{},{"nodeType":20,"data":1268,"content":1269},{},[1270],{"nodeType":24,"value":1271,"marks":1272,"data":1273},"出産は予定日ぴったり（40週0日）に起こるわけではありません。医学的には以下の期間に分類されます。",[],{},{"nodeType":20,"data":1275,"content":1276},{},[1277],{"nodeType":24,"value":74,"marks":1278,"data":1279},[],{},{"nodeType":20,"data":1281,"content":1282},{},[1283],{"nodeType":24,"value":74,"marks":1284,"data":1285},[],{},{"nodeType":20,"data":1287,"content":1288},{},[1289],{"nodeType":24,"value":1290,"marks":1291,"data":1292},"1.早産（妊娠22週0日～36週6日） 医療的ケアが必要となる可能性のある時期の出産です。日本における早産率は全分娩の約5～6％とされています。",[],{},{"nodeType":20,"data":1294,"content":1295},{},[1296],{"nodeType":24,"value":74,"marks":1297,"data":1298},[],{},{"nodeType":20,"data":1300,"content":1301},{},[1302],{"nodeType":24,"value":1303,"marks":1304,"data":1305},"2.正期産（妊娠37週0日～41週6日） 赤ちゃんが十分に成長し、母体外での適応能力が整った状態での出産です。全出産の約90％以上がこの正期産にあたります。",[],{},{"nodeType":20,"data":1307,"content":1308},{},[1309],{"nodeType":24,"value":74,"marks":1310,"data":1311},[],{},{"nodeType":20,"data":1313,"content":1314},{},[1315],{"nodeType":24,"value":1316,"marks":1317,"data":1318},"3.過期産（妊娠42週0日以降） 妊娠42週を超えると胎盤の機能が低下し始めるため、分娩誘発（陣痛促進剤など）が検討されます。",[],{},{"nodeType":20,"data":1320,"content":1321},{},[1322],{"nodeType":24,"value":74,"marks":1323,"data":1324},[],{},{"nodeType":20,"data":1326,"content":1327},{},[1328],{"nodeType":24,"value":74,"marks":1329,"data":1330},[],{},{"nodeType":20,"data":1332,"content":1333},{},[1334],{"nodeType":24,"value":1335,"marks":1336,"data":1337},"出産予定日はあくまで「目安」であり、正期産の5週間のうちのどこかで生まれるのが正常なプロセスです。",[],{},{"nodeType":20,"data":1339,"content":1340},{},[1341],{"nodeType":24,"value":74,"marks":1342,"data":1343},[],{},{"nodeType":20,"data":1345,"content":1346},{},[1347],{"nodeType":24,"value":74,"marks":1348,"data":1349},[],{},{"nodeType":20,"data":1351,"content":1352},{},[1353],{"nodeType":24,"value":74,"marks":1354,"data":1355},[],{},{"nodeType":192,"data":1357,"content":1358},{},[1359],{"nodeType":24,"value":1360,"marks":1361,"data":1362},"3-2. 厚生労働省が推奨する「妊婦健診」の回数",[],{},{"nodeType":20,"data":1364,"content":1365},{},[1366],{"nodeType":24,"value":74,"marks":1367,"data":1368},[],{},{"nodeType":120,"data":1370,"content":1393},{"target":1371},{"metadata":1372,"sys":1375,"fields":1385},{"tags":1373,"concepts":1374},[],[],{"space":1376,"id":1378,"type":133,"createdAt":1379,"updatedAt":1380,"environment":1381,"publishedVersion":1383,"revision":1384,"locale":141},{"sys":1377},{"type":129,"linkType":130,"id":131},"m0gzSE5ky2Gy5VZMrRSaP","2025-03-24T06:21:29.875Z","2025-03-24T06:21:41.494Z",{"sys":1382},{"id":137,"type":129,"linkType":138},5,2,{"title":1386,"description":74,"file":1387},"医者",{"url":1388,"details":1389,"fileName":1392,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/m0gzSE5ky2Gy5VZMrRSaP/cd4c25383c91fcb9ef0367d11439b738/iStock-1000838906.jpg",{"size":1390,"image":1391},255169,{"width":572,"height":150},"iStock-1000838906.jpg",[],{"nodeType":20,"data":1395,"content":1396},{},[1397],{"nodeType":24,"value":74,"marks":1398,"data":1399},[],{},{"nodeType":20,"data":1401,"content":1402},{},[1403],{"nodeType":24,"value":1404,"marks":1405,"data":1406},"母子の健康管理とトラブルの早期発見のため、定期的な「妊婦健康診査（妊婦健診）」を受診することが推奨されています。",[],{},{"nodeType":20,"data":1408,"content":1409},{},[1410],{"nodeType":24,"value":1411,"marks":1412,"data":1413},"厚生労働省が提示している望ましい標準受診回数は合計14回です。",[],{},{"nodeType":20,"data":1415,"content":1416},{},[1417],{"nodeType":24,"value":74,"marks":1418,"data":1419},[],{},{"nodeType":276,"data":1421,"content":1422},{},[1423,1433,1443],{"nodeType":280,"data":1424,"content":1425},{},[1426],{"nodeType":20,"data":1427,"content":1428},{},[1429],{"nodeType":24,"value":1430,"marks":1431,"data":1432},"妊娠初期～23週まで： 4週間に1回",[],{},{"nodeType":280,"data":1434,"content":1435},{},[1436],{"nodeType":20,"data":1437,"content":1438},{},[1439],{"nodeType":24,"value":1440,"marks":1441,"data":1442},"妊娠24週～35週まで： 2週間に1回",[],{},{"nodeType":280,"data":1444,"content":1445},{},[1446],{"nodeType":20,"data":1447,"content":1448},{},[1449],{"nodeType":24,"value":1450,"marks":1451,"data":1452},"妊娠36週以降（出産まで）： 1週間に1回",[],{},{"nodeType":20,"data":1454,"content":1455},{},[1456],{"nodeType":24,"value":74,"marks":1457,"data":1458},[],{},{"nodeType":20,"data":1460,"content":1461},{},[1462],{"nodeType":24,"value":1463,"marks":1464,"data":1465},"定期健診を受けることで、妊娠高血圧症候群や妊娠糖尿病、胎児の発育状況などを適切にモニタリングできます。",[],{},{"nodeType":20,"data":1467,"content":1468},{},[1469],{"nodeType":24,"value":74,"marks":1470,"data":1471},[],{},{"nodeType":20,"data":1473,"content":1474},{},[1475],{"nodeType":24,"value":74,"marks":1476,"data":1477},[],{},{"nodeType":20,"data":1479,"content":1480},{},[1481],{"nodeType":24,"value":74,"marks":1482,"data":1483},[],{},{"nodeType":192,"data":1485,"content":1486},{},[1487],{"nodeType":24,"value":1488,"marks":1489,"data":1490},"3-3. 妊娠中の望ましい体重増加の目安",[],{},{"nodeType":20,"data":1492,"content":1493},{},[1494],{"nodeType":24,"value":74,"marks":1495,"data":1496},[],{},{"nodeType":20,"data":1498,"content":1499},{},[1500],{"nodeType":24,"value":1501,"marks":1502,"data":1503},"妊娠中の体重管理は、スムーズな出産と赤ちゃんの健やかな成長に欠かせません。",[],{},{"nodeType":20,"data":1505,"content":1506},{},[1507],{"nodeType":24,"value":1508,"marks":1509,"data":1510},"厚生労働省の「妊産婦のための食生活指針（2021年改訂版）」によると、妊娠前のBMIに応じた推奨体重増加量は以下の通りです。",[],{},{"nodeType":20,"data":1512,"content":1513},{},[1514],{"nodeType":24,"value":74,"marks":1515,"data":1516},[],{},{"nodeType":20,"data":1518,"content":1519},{},[1520],{"nodeType":24,"value":74,"marks":1521,"data":1522},[],{},{"nodeType":276,"data":1524,"content":1525},{},[1526,1536,1546,1556],{"nodeType":280,"data":1527,"content":1528},{},[1529],{"nodeType":20,"data":1530,"content":1531},{},[1532],{"nodeType":24,"value":1533,"marks":1534,"data":1535},"痩せ型（低体重）：BMI18.5未満。推奨される体重増加量は12～15kg",[],{},{"nodeType":280,"data":1537,"content":1538},{},[1539],{"nodeType":20,"data":1540,"content":1541},{},[1542],{"nodeType":24,"value":1543,"marks":1544,"data":1545},"ふつう：BMI18.5以上、25.0未満。推奨される体重増加量は10～12kg",[],{},{"nodeType":280,"data":1547,"content":1548},{},[1549],{"nodeType":20,"data":1550,"content":1551},{},[1552],{"nodeType":24,"value":1553,"marks":1554,"data":1555},"肥満（1度）：BMI25.0以上、30.0未満。推奨される体重増加量は7～10kg",[],{},{"nodeType":280,"data":1557,"content":1558},{},[1559],{"nodeType":20,"data":1560,"content":1561},{},[1562],{"nodeType":24,"value":1563,"marks":1564,"data":1565},"肥満（2度以上）：BMI30.0以上。推奨される体重増加量は個別対応。（およそ5kg前後）",[],{},{"nodeType":20,"data":1567,"content":1568},{},[1569],{"nodeType":24,"value":74,"marks":1570,"data":1571},[],{},{"nodeType":20,"data":1573,"content":1574},{},[1575],{"nodeType":24,"value":74,"marks":1576,"data":1577},[],{},{"nodeType":20,"data":1579,"content":1580},{},[1581],{"nodeType":24,"value":1582,"marks":1583,"data":1584},"※参照：厚生労働省「妊産婦のための食生活指針」過度なダイエットや急激な体重増加は避け、バランスの良い食事を心がけることが大切です。",[],{},{"nodeType":20,"data":1586,"content":1587},{},[1588],{"nodeType":24,"value":74,"marks":1589,"data":1590},[],{},{"nodeType":20,"data":1592,"content":1593},{},[1594],{"nodeType":24,"value":74,"marks":1595,"data":1596},[],{},{"nodeType":84,"data":1598,"content":1599},{},[],{"nodeType":20,"data":1601,"content":1602},{},[1603],{"nodeType":24,"value":74,"marks":1604,"data":1605},[],{},{"nodeType":20,"data":1607,"content":1608},{},[1609],{"nodeType":24,"value":74,"marks":1610,"data":1611},[],{},{"nodeType":100,"data":1613,"content":1614},{},[1615],{"nodeType":24,"value":1616,"marks":1617,"data":1618},"4. 出産予定日の正確な計算方法",[],{},{"nodeType":20,"data":1620,"content":1621},{},[1622],{"nodeType":24,"value":74,"marks":1623,"data":1624},[],{},{"nodeType":20,"data":1626,"content":1627},{},[1628],{"nodeType":24,"value":74,"marks":1629,"data":1630},[],{},{"nodeType":120,"data":1632,"content":1653},{"target":1633},{"metadata":1634,"sys":1637,"fields":1644},{"tags":1635,"concepts":1636},[],[],{"space":1638,"id":1640,"type":133,"createdAt":1641,"updatedAt":1641,"environment":1642,"publishedVersion":139,"revision":140,"locale":141},{"sys":1639},{"type":129,"linkType":130,"id":131},"5VB5Rh5FLrsaN9pqiJZv3l","2026-06-11T10:10:02.525Z",{"sys":1643},{"id":137,"type":129,"linkType":138},{"title":1645,"description":74,"file":1646},"妊婦と医者",{"url":1647,"details":1648,"fileName":1652,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/5VB5Rh5FLrsaN9pqiJZv3l/7368d0c2ba4b577df4c777ca44e8d609/b6fc7182-18cf-4396-b81d-be9edccdad15.jpg",{"size":1649,"image":1650},460982,{"width":572,"height":1651},837,"妊婦と医者.jpg",[],{"nodeType":20,"data":1655,"content":1656},{},[1657],{"nodeType":24,"value":74,"marks":1658,"data":1659},[],{},{"nodeType":20,"data":1661,"content":1662},{},[1663],{"nodeType":24,"value":74,"marks":1664,"data":1665},[],{},{"nodeType":20,"data":1667,"content":1668},{},[1669],{"nodeType":24,"value":1670,"marks":1671,"data":1672},"「自分の出産予定日はいつになるんだろう？」と気になる方のために、代表的な計算方法をご紹介します。",[],{},{"nodeType":20,"data":1674,"content":1675},{},[1676],{"nodeType":24,"value":74,"marks":1677,"data":1678},[],{},{"nodeType":20,"data":1680,"content":1681},{},[1682],{"nodeType":24,"value":74,"marks":1683,"data":1684},[],{},{"nodeType":20,"data":1686,"content":1687},{},[1688],{"nodeType":24,"value":74,"marks":1689,"data":1690},[],{},{"nodeType":192,"data":1692,"content":1693},{},[1694],{"nodeType":24,"value":1695,"marks":1696,"data":1697},"4-1. ネーゲレ概算法による計算（自然妊娠の場合）",[],{},{"nodeType":20,"data":1699,"content":1700},{},[1701],{"nodeType":24,"value":74,"marks":1702,"data":1703},[],{},{"nodeType":20,"data":1705,"content":1706},{},[1707],{"nodeType":24,"value":1708,"marks":1709,"data":1710},"最終月経の初日をもとに計算する古典的かつ簡便な方法が「ネーゲレ概算法」です。",[],{},{"nodeType":20,"data":1712,"content":1713},{},[1714],{"nodeType":24,"value":74,"marks":1715,"data":1716},[],{},{"nodeType":20,"data":1718,"content":1719},{},[1720],{"nodeType":24,"value":74,"marks":1721,"data":1722},[],{},{"nodeType":276,"data":1724,"content":1725},{},[1726,1736],{"nodeType":280,"data":1727,"content":1728},{},[1729],{"nodeType":20,"data":1730,"content":1731},{},[1732],{"nodeType":24,"value":1733,"marks":1734,"data":1735},"月： 最終月経の開始月に「9を足す」（※10～12月の場合は3を引く）",[],{},{"nodeType":280,"data":1737,"content":1738},{},[1739],{"nodeType":20,"data":1740,"content":1741},{},[1742],{"nodeType":24,"value":1743,"marks":1744,"data":1745},"日： 最終月経の開始日に「7を足す」",[],{},{"nodeType":20,"data":1747,"content":1748},{},[1749],{"nodeType":24,"value":74,"marks":1750,"data":1751},[],{},{"nodeType":20,"data":1753,"content":1754},{},[1755],{"nodeType":24,"value":74,"marks":1756,"data":1757},[],{},{"nodeType":20,"data":1759,"content":1760},{},[1761],{"nodeType":24,"value":1762,"marks":1763,"data":1764},"【計算例】 最終月経の初日が「4月10日」の場合",[],{},{"nodeType":276,"data":1766,"content":1767},{},[1768,1778,1788],{"nodeType":280,"data":1769,"content":1770},{},[1771],{"nodeType":20,"data":1772,"content":1773},{},[1774],{"nodeType":24,"value":1775,"marks":1776,"data":1777},"月：4 ＋ 9 ＝ 1月",[],{},{"nodeType":280,"data":1779,"content":1780},{},[1781],{"nodeType":20,"data":1782,"content":1783},{},[1784],{"nodeType":24,"value":1785,"marks":1786,"data":1787},"日：10 ＋ 7 ＝ 17日",[],{},{"nodeType":280,"data":1789,"content":1790},{},[1791],{"nodeType":20,"data":1792,"content":1793},{},[1794],{"nodeType":24,"value":1795,"marks":1796,"data":1797},"出産予定日：翌年1月17日",[],{},{"nodeType":20,"data":1799,"content":1800},{},[1801],{"nodeType":24,"value":74,"marks":1802,"data":1803},[],{},{"nodeType":20,"data":1805,"content":1806},{},[1807],{"nodeType":24,"value":1808,"marks":1809,"data":1810},"※この計算は月経周期が「28日周期」であることを前提としています。",[],{},{"nodeType":20,"data":1812,"content":1813},{},[1814],{"nodeType":24,"value":74,"marks":1815,"data":1816},[],{},{"nodeType":20,"data":1818,"content":1819},{},[1820],{"nodeType":24,"value":74,"marks":1821,"data":1822},[],{},{"nodeType":20,"data":1824,"content":1825},{},[1826],{"nodeType":24,"value":74,"marks":1827,"data":1828},[],{},{"nodeType":192,"data":1830,"content":1831},{},[1832],{"nodeType":24,"value":1833,"marks":1834,"data":1835},"4-2. 産婦人科での超音波（エコー）検査・不妊治療の場合",[],{},{"nodeType":20,"data":1837,"content":1838},{},[1839],{"nodeType":24,"value":74,"marks":1840,"data":1841},[],{},{"nodeType":120,"data":1843,"content":1865},{"target":1844},{"metadata":1845,"sys":1848,"fields":1855},{"tags":1846,"concepts":1847},[],[],{"space":1849,"id":1851,"type":133,"createdAt":1852,"updatedAt":1852,"environment":1853,"publishedVersion":139,"revision":140,"locale":141},{"sys":1850},{"type":129,"linkType":130,"id":131},"64KElNMX8LGNS6MqHTVgs0","2024-06-10T01:24:53.470Z",{"sys":1854},{"id":137,"type":129,"linkType":138},{"title":1856,"description":74,"file":1857},"エコー",{"url":1858,"details":1859,"fileName":1864,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/64KElNMX8LGNS6MqHTVgs0/182a0f24da1991f5a85ba3d86af9b613/___.JPG",{"size":1860,"image":1861},594216,{"width":1862,"height":1863},2377,1763,"エコー.JPG",[],{"nodeType":20,"data":1867,"content":1868},{},[1869],{"nodeType":24,"value":74,"marks":1870,"data":1871},[],{},{"nodeType":20,"data":1873,"content":1874},{},[1875],{"nodeType":24,"value":1876,"marks":1877,"data":1878},"実際の医療現場では、ネーゲレ概算法だけに頼るわけではありません。",[],{},{"nodeType":20,"data":1880,"content":1881},{},[1882],{"nodeType":24,"value":74,"marks":1883,"data":1884},[],{},{"nodeType":276,"data":1886,"content":1887},{},[1888],{"nodeType":280,"data":1889,"content":1890},{},[1891],{"nodeType":20,"data":1892,"content":1893},{},[1894],{"nodeType":24,"value":1895,"marks":1896,"data":1897},"超音波検査による修正 妊娠8～11週頃に超音波（エコー）検査を行い、赤ちゃんの頭からお尻までの長さ（頭臀長：CRL）を計測して正確な妊娠週数・出産予定日を確定します。月経周期が不順な方でも、この方法で確実な予定日が算出されます。",[],{},{"nodeType":20,"data":1899,"content":1900},{},[1901],{"nodeType":24,"value":74,"marks":1902,"data":1903},[],{},{"nodeType":276,"data":1905,"content":1906},{},[1907],{"nodeType":280,"data":1908,"content":1909},{},[1910],{"nodeType":20,"data":1911,"content":1912},{},[1913],{"nodeType":24,"value":1914,"marks":1915,"data":1916},"体外受精・胚移植の場合 採卵日や胚移植を行った日時が正確に分かっているため、そこから逆算して0週0日・予定日を医師が特定します。",[],{},{"nodeType":20,"data":1918,"content":1919},{},[1920],{"nodeType":24,"value":74,"marks":1921,"data":1922},[],{},{"nodeType":20,"data":1924,"content":1925},{},[1926],{"nodeType":24,"value":74,"marks":1927,"data":1928},[],{},{"nodeType":84,"data":1930,"content":1931},{},[],{"nodeType":20,"data":1933,"content":1934},{},[1935],{"nodeType":24,"value":74,"marks":1936,"data":1937},[],{},{"nodeType":20,"data":1939,"content":1940},{},[1941],{"nodeType":24,"value":74,"marks":1942,"data":1943},[],{},{"nodeType":100,"data":1945,"content":1946},{},[1947],{"nodeType":24,"value":1948,"marks":1949,"data":1950},"5. 十月十日の妊娠期間を健やかに過ごすための3つのポイント",[],{},{"nodeType":20,"data":1952,"content":1953},{},[1954],{"nodeType":24,"value":74,"marks":1955,"data":1956},[],{},{"nodeType":20,"data":1958,"content":1959},{},[1960],{"nodeType":24,"value":74,"marks":1961,"data":1962},[],{},{"nodeType":120,"data":1964,"content":1984},{"target":1965},{"metadata":1966,"sys":1969,"fields":1976},{"tags":1967,"concepts":1968},[],[],{"space":1970,"id":1972,"type":133,"createdAt":1973,"updatedAt":1973,"environment":1974,"publishedVersion":139,"revision":140,"locale":141},{"sys":1971},{"type":129,"linkType":130,"id":131},"5BCNhwZdFle68Z4A5gcYDX","2026-05-08T06:30:40.821Z",{"sys":1975},{"id":137,"type":129,"linkType":138},{"title":1977,"description":74,"file":1978},"ポイント2",{"url":1979,"details":1980,"fileName":1983,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/5BCNhwZdFle68Z4A5gcYDX/0aaf5469b9291f0a10aaf570c1552cc9/%C3%A3__%C3%A3__%C3%A3__%C3%A3__2.jpg",{"size":1981,"image":1982},248448,{"width":572,"height":150},"ポイント2.jpg",[],{"nodeType":20,"data":1986,"content":1987},{},[1988],{"nodeType":24,"value":74,"marks":1989,"data":1990},[],{},{"nodeType":20,"data":1992,"content":1993},{},[1994],{"nodeType":24,"value":74,"marks":1995,"data":1996},[],{},{"nodeType":20,"data":1998,"content":1999},{},[2000],{"nodeType":24,"value":2001,"marks":2002,"data":2003},"妊娠中の約280日間を安心・安全に過ごし、赤ちゃんを迎えるための具体的なライフスタイルのヒントを紹介します。",[],{},{"nodeType":20,"data":2005,"content":2006},{},[2007],{"nodeType":24,"value":74,"marks":2008,"data":2009},[],{},{"nodeType":20,"data":2011,"content":2012},{},[2013],{"nodeType":24,"value":74,"marks":2014,"data":2015},[],{},{"nodeType":20,"data":2017,"content":2018},{},[2019],{"nodeType":24,"value":74,"marks":2020,"data":2021},[],{},{"nodeType":192,"data":2023,"content":2024},{},[2025],{"nodeType":24,"value":2026,"marks":2027,"data":2028},"① 栄養バランスと必要な栄養素（葉酸など）の補給",[],{},{"nodeType":20,"data":2030,"content":2031},{},[2032],{"nodeType":24,"value":74,"marks":2033,"data":2034},[],{},{"nodeType":120,"data":2036,"content":2058},{"target":2037},{"metadata":2038,"sys":2041,"fields":2048},{"tags":2039,"concepts":2040},[],[],{"space":2042,"id":2044,"type":133,"createdAt":2045,"updatedAt":2045,"environment":2046,"publishedVersion":139,"revision":140,"locale":141},{"sys":2043},{"type":129,"linkType":130,"id":131},"3KmecDEaNutiseS8W65r5A","2026-05-08T05:55:49.698Z",{"sys":2047},{"id":137,"type":129,"linkType":138},{"title":2049,"description":74,"file":2050},"ブロッコリー",{"url":2051,"details":2052,"fileName":2057,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/3KmecDEaNutiseS8W65r5A/5af754f3f76edbb177dce0e37e325642/%C3%A3__%C3%A3__%C3%A3__%C3%A3__%C3%A3_%C2%AA%C3%A3__.jpg",{"size":2053,"image":2054},522287,{"width":2055,"height":2056},1386,756,"ブロッコリー.jpg",[],{"nodeType":20,"data":2060,"content":2061},{},[2062],{"nodeType":24,"value":74,"marks":2063,"data":2064},[],{},{"nodeType":20,"data":2066,"content":2067},{},[2068],{"nodeType":24,"value":2069,"marks":2070,"data":2071},"赤ちゃんの細胞分裂や血液造りに必要な栄養をしっかり摂りましょう。",[],{},{"nodeType":20,"data":2073,"content":2074},{},[2075],{"nodeType":24,"value":2076,"marks":2077,"data":2078},"特に「葉酸」は、神経管閉鎖障害などのリスクを低減するため、妊娠前から妊娠初期にかけて積極的な摂取（食事＋サプリメント等で1日400µg）が推奨されています。",[],{},{"nodeType":20,"data":2080,"content":2081},{},[2082],{"nodeType":24,"value":2083,"marks":2084,"data":2085},"また、妊娠中は貧血を起こしやすいため、鉄分やカルシウム、タンパク質をバランス良く摂取しましょう。",[],{},{"nodeType":20,"data":2087,"content":2088},{},[2089],{"nodeType":24,"value":74,"marks":2090,"data":2091},[],{},{"nodeType":20,"data":2093,"content":2094},{},[2095],{"nodeType":24,"value":74,"marks":2096,"data":2097},[],{},{"nodeType":20,"data":2099,"content":2100},{},[2101],{"nodeType":24,"value":74,"marks":2102,"data":2103},[],{},{"nodeType":192,"data":2105,"content":2106},{},[2107],{"nodeType":24,"value":2108,"marks":2109,"data":2110},"② 適度な運動と十分な休息のメリハリ",[],{},{"nodeType":20,"data":2112,"content":2113},{},[2114],{"nodeType":24,"value":74,"marks":2115,"data":2116},[],{},{"nodeType":120,"data":2118,"content":2138},{"target":2119},{"metadata":2120,"sys":2123,"fields":2130},{"tags":2121,"concepts":2122},[],[],{"space":2124,"id":2126,"type":133,"createdAt":2127,"updatedAt":2127,"environment":2128,"publishedVersion":139,"revision":140,"locale":141},{"sys":2125},{"type":129,"linkType":130,"id":131},"44UwGCdPNWnEAZZRrNnNnE","2025-03-07T03:32:34.770Z",{"sys":2129},{"id":137,"type":129,"linkType":138},{"title":2131,"description":74,"file":2132},"マタニティヨガ",{"url":2133,"details":2134,"fileName":2137,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/44UwGCdPNWnEAZZRrNnNnE/3824056bb58847c174e039d48530571a/マタニティヨガ.JPG",{"size":2135,"image":2136},430299,{"width":834,"height":835},"マタニティヨガ.JPG",[],{"nodeType":20,"data":2140,"content":2141},{},[2142],{"nodeType":24,"value":74,"marks":2143,"data":2144},[],{},{"nodeType":20,"data":2146,"content":2147},{},[2148],{"nodeType":24,"value":2149,"marks":2150,"data":2151},"体調が安定している時期には、ウォーキングやマタニティヨガなど、負荷の少ない運動を取り入れるのが効果的です。",[],{},{"nodeType":20,"data":2153,"content":2154},{},[2155],{"nodeType":24,"value":2156,"marks":2157,"data":2158},"体力づくりや体重増加の防止、気分転換につながります。",[],{},{"nodeType":20,"data":2160,"content":2161},{},[2162],{"nodeType":24,"value":2163,"marks":2164,"data":2165},"一方で、お腹の張りや倦怠感があるときは無理をせず、横になって体を休めることが最も重要です。",[],{},{"nodeType":20,"data":2167,"content":2168},{},[2169],{"nodeType":24,"value":74,"marks":2170,"data":2171},[],{},{"nodeType":20,"data":2173,"content":2174},{},[2175],{"nodeType":24,"value":74,"marks":2176,"data":2177},[],{},{"nodeType":20,"data":2179,"content":2180},{},[2181],{"nodeType":24,"value":74,"marks":2182,"data":2183},[],{},{"nodeType":192,"data":2185,"content":2186},{},[2187],{"nodeType":24,"value":2188,"marks":2189,"data":2190},"③ メンタルケアとサポート体制の構築",[],{},{"nodeType":20,"data":2192,"content":2193},{},[2194],{"nodeType":24,"value":74,"marks":2195,"data":2196},[],{},{"nodeType":120,"data":2198,"content":2218},{"target":2199},{"metadata":2200,"sys":2203,"fields":2210},{"tags":2201,"concepts":2202},[],[],{"space":2204,"id":2206,"type":133,"createdAt":2207,"updatedAt":2207,"environment":2208,"publishedVersion":139,"revision":140,"locale":141},{"sys":2205},{"type":129,"linkType":130,"id":131},"3pF8oReHEM7s3NYtBq9pxS","2026-02-04T07:15:00.407Z",{"sys":2209},{"id":137,"type":129,"linkType":138},{"title":2211,"description":74,"file":2212},"サポート2",{"url":2213,"details":2214,"fileName":2217,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/3pF8oReHEM7s3NYtBq9pxS/7f3252aa00e95ce812672172f976581b/ã_µã__ã__ã__2.jpg",{"size":2215,"image":2216},110463,{"width":225,"height":226},"サポート2.jpg",[],{"nodeType":20,"data":2220,"content":2221},{},[2222],{"nodeType":24,"value":74,"marks":2223,"data":2224},[],{},{"nodeType":20,"data":2226,"content":2227},{},[2228],{"nodeType":24,"value":2229,"marks":2230,"data":2231},"妊娠中はホルモンバランスの変化により、感情が不安定になりやすい時期です。",[],{},{"nodeType":20,"data":2233,"content":2234},{},[2235],{"nodeType":24,"value":2236,"marks":2237,"data":2238},"一人で不安を抱え込まず、パートナーやご家族、自治体の保健師、産婦人科のスタッフなど周りの人々に素直に相談しましょう。",[],{},{"nodeType":20,"data":2240,"content":2241},{},[2242],{"nodeType":24,"value":2243,"marks":2244,"data":2245},"地域のマタニティクラスなどに参加して、出産に向けた準備を進めるのもおすすめです。",[],{},{"nodeType":20,"data":2247,"content":2248},{},[2249],{"nodeType":24,"value":74,"marks":2250,"data":2251},[],{},{"nodeType":20,"data":2253,"content":2254},{},[2255],{"nodeType":24,"value":74,"marks":2256,"data":2257},[],{},{"nodeType":84,"data":2259,"content":2260},{},[],{"nodeType":20,"data":2262,"content":2263},{},[2264],{"nodeType":24,"value":74,"marks":2265,"data":2266},[],{},{"nodeType":20,"data":2268,"content":2269},{},[2270],{"nodeType":24,"value":74,"marks":2271,"data":2272},[],{},{"nodeType":100,"data":2274,"content":2275},{},[2276],{"nodeType":24,"value":2277,"marks":2278,"data":2279},"6. まとめ：十月十日という特別な時間を大切に",[],{},{"nodeType":20,"data":2281,"content":2282},{},[2283],{"nodeType":24,"value":74,"marks":2284,"data":2285},[],{},{"nodeType":20,"data":2287,"content":2288},{},[2289],{"nodeType":24,"value":74,"marks":2290,"data":2291},[],{},{"nodeType":120,"data":2293,"content":2315},{"target":2294},{"metadata":2295,"sys":2298,"fields":2305},{"tags":2296,"concepts":2297},[],[],{"space":2299,"id":2301,"type":133,"createdAt":2302,"updatedAt":2302,"environment":2303,"publishedVersion":139,"revision":140,"locale":141},{"sys":2300},{"type":129,"linkType":130,"id":131},"7LZO4K3VoRcZmM6cz61VZe","2026-02-20T07:00:31.942Z",{"sys":2304},{"id":137,"type":129,"linkType":138},{"title":2306,"description":74,"file":2307},"妊婦と小さい靴",{"url":2308,"details":2309,"fileName":2314,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/7LZO4K3VoRcZmM6cz61VZe/1e9ec4074736868386a757859e8bf3db/å__å__ã__å__ã__ã__é__.jpg",{"size":2310,"image":2311},455064,{"width":2312,"height":2313},1519,690,"妊婦と小さい靴.jpg",[],{"nodeType":20,"data":2317,"content":2318},{},[2319],{"nodeType":24,"value":74,"marks":2320,"data":2321},[],{},{"nodeType":20,"data":2323,"content":2324},{},[2325],{"nodeType":24,"value":74,"marks":2326,"data":2327},[],{},{"nodeType":20,"data":2329,"content":2330},{},[2331],{"nodeType":24,"value":2332,"marks":2333,"data":2334},"「十月十日（とつきとおか）」という言葉は、現代医学の数値（40週・280日間）に換算すると少し不思議に感じるかもしれません。",[],{},{"nodeType":20,"data":2336,"content":2337},{},[2338],{"nodeType":24,"value":2339,"marks":2340,"data":2341},"しかしその根底には、「母体が新しい命をはぐくみ、出産に至るまでの約9ヶ月強の道のり」を温かく見守り、労う日本の伝統的な文化と知恵が詰まっています。",[],{},{"nodeType":20,"data":2343,"content":2344},{},[2345],{"nodeType":24,"value":2346,"marks":2347,"data":2348},"現代の妊娠管理は、医学的なデータや週数計算によって非常に安全性が高まっています。",[],{},{"nodeType":20,"data":2350,"content":2351},{},[2352],{"nodeType":24,"value":2353,"marks":2354,"data":2355},"正確な妊娠週数の仕組みを正しく理解した上で、身体の変化に寄り添いながら、かけがえのない「十月十日」のマタニティライフを健やかに過ごしてくださいね。",[],{},{"nodeType":20,"data":2357,"content":2358},{},[2359],{"nodeType":24,"value":74,"marks":2360,"data":2361},[],{},{"nodeType":20,"data":2363,"content":2364},{},[2365],{"nodeType":24,"value":74,"marks":2366,"data":2367},[],{},{"nodeType":84,"data":2369,"content":2370},{},[],{"nodeType":20,"data":2372,"content":2373},{},[2374],{"nodeType":24,"value":74,"marks":2375,"data":2376},[],{},{"nodeType":20,"data":2378,"content":2379},{},[2380],{"nodeType":24,"value":74,"marks":2381,"data":2382},[],{},{"nodeType":20,"data":2384,"content":2385},{},[2386],{"nodeType":24,"value":2387,"marks":2388,"data":2391},"この記事を書いた人",[2389],{"type":2390},"bold",{},{"nodeType":20,"data":2393,"content":2394},{},[2395],{"nodeType":24,"value":2396,"marks":2397,"data":2399},"高橋 あい",[2398],{"type":2390},{},{"nodeType":120,"data":2401,"content":2423},{"target":2402},{"metadata":2403,"sys":2406,"fields":2413},{"tags":2404,"concepts":2405},[],[],{"space":2407,"id":2409,"type":133,"createdAt":2410,"updatedAt":2410,"environment":2411,"publishedVersion":139,"revision":140,"locale":141},{"sys":2408},{"type":129,"linkType":130,"id":131},"7kCFFAjuxwi2JWOrHLX2Sx","2025-02-11T02:39:42.728Z",{"sys":2412},{"id":137,"type":129,"linkType":138},{"title":2414,"description":74,"file":2415},"C041515672",{"url":2416,"details":2417,"fileName":2422,"contentType":152},"//images.ctfassets.net/hi9e7y4qjp3u/7kCFFAjuxwi2JWOrHLX2Sx/5e86d00c5bf1a58064c3578406638ceb/C041515672.jpeg",{"size":2418,"image":2419},36343,{"width":2420,"height":2421},699,524,"C041515672.jpeg",[],{"nodeType":2425,"data":2426,"content":2427},"heading-4",{},[2428,2432],{"nodeType":24,"value":2429,"marks":2430,"data":2431},"\n\n",[],{},{"nodeType":24,"value":2433,"marks":2434,"data":2436},"わくわくボディクリニック 代表 / 結果にこだわるサプリメント開発者",[2435],{"type":2390},{},{"nodeType":20,"data":2438,"content":2439},{},[2440],{"nodeType":24,"value":74,"marks":2441,"data":2442},[],{},{"nodeType":20,"data":2444,"content":2445},{},[2446],{"nodeType":24,"value":2447,"marks":2448,"data":2449},"2010年、女性の美容と健康に特化したサロン「わくわくボディクリニック」を創業。",[],{},{"nodeType":20,"data":2451,"content":2452},{},[2453],{"nodeType":24,"value":2454,"marks":2455,"data":2456},"自身の摂食障害によるマイナス22kgの体験をきっかけに、栄養学と腸内環境の重要性に着目した元祖麹菌サプリメント「ノーカウント」を開発。",[],{},{"nodeType":20,"data":2458,"content":2459},{},[2460],{"nodeType":24,"value":2461,"marks":2462,"data":2463},"「ノーカウント」は、ダイエット、美肌、腸活をサポートするサプリメントとして、全国250以上のエステサロン・治療院などで導入されるロングセラー商品へと成長。",[],{},{"nodeType":20,"data":2465,"content":2466},{},[2467],{"nodeType":24,"value":2468,"marks":2469,"data":2470},"美容・健康業界のプロフェッショナルからも高い評価を得ている。",[],{},{"nodeType":20,"data":2472,"content":2473},{},[2474],{"nodeType":24,"value":2475,"marks":2476,"data":2477},"また、2020年には神奈川県の未病スタイルアンバサダーに就任し、食生活改善セミナーや健康イベントなどを開催し、地域住民の健康増進に貢献。",[],{},{"nodeType":20,"data":2479,"content":2480},{},[2481],{"nodeType":24,"value":2482,"marks":2483,"data":2484},"現在も最前線で施術を行いながら、科学的根拠に基づくサプリメントの研究・開発・販売を継続。",[],{},{"nodeType":20,"data":2486,"content":2487},{},[2488],{"nodeType":24,"value":2489,"marks":2490,"data":2491},"美容・健康分野における革新的なアプローチを追求し続けている",[],{},{"nodeType":20,"data":2493,"content":2494},{},[2495],{"nodeType":24,"value":74,"marks":2496,"data":2497},[],{},{"id":2499,"title":2500,"slug":2501,"eyecatchUrl":2502},"1p4Wmor1YjDoXiJxpxyOHH","「お腹が張る原因」を徹底解剖！女性の約4割が悩む腹部膨満感を今日からリセットするセルフケア完全ガイド","bloating-causes-self-care","https://images.ctfassets.net/hi9e7y4qjp3u/5AejL3Ark0HOHFrEdgH4fe/9d40ac4441b25ec771ab53b0bbfa350f/______.JPG","\u003Cp class=\"paragraph node\">出産予定日を意識し始めると、「十月十日（とつきとおか）」という言葉を耳にする機会が増えますよね。\u003C/p>\u003Cp class=\"paragraph node\">この表現は、古くから日本で親しまれてきた妊娠期間を表す言葉です。\u003C/p>\u003Cp class=\"paragraph node\">しかし、現代の医療現場では「妊娠◯週◯日」と週数でカウントするのが一般的です。\u003C/p>\u003Cp class=\"paragraph node\">「十月十日は実際何日なの？」「暦通りの10ヶ月と10日とは違うの？」と疑問を抱く方も多いのではないでしょうか。\u003C/p>\u003Cp class=\"paragraph node\">この記事では、「十月十日」という言葉の由来や実際の妊娠期間、現代医学に基づいた正確な週数の数え方を分かりやすく解説します。\u003C/p>\u003Cp class=\"paragraph node\">また、妊娠週数ごとの母体の変化や最新の公的データ、健やかなマタニティライフを過ごすためのポイントも網羅しました。\u003C/p>\u003Cp class=\"paragraph node\">ぜひ参考にしてください。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Chr/>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch2 class=\"text-h2 node\">1. 「十月十日」とは何日間？妊娠期間の基礎知識\u003C/h2>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/7a0RA7Y0j5MhIXeDdwHomV/a979bbe9226b2b1ed002298023d7caa8/1312fa40-1f1b-4081-b870-743babfb27cf.jpg?w=800&fm=webp\" alt=\"はてな2\" title=\"はてな2\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">まずは、「十月十日」という言葉の意味や、具体的にどれくらいの期間を指すのかという基礎知識から確認していきましょう。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">1-1. 昔ながらの「十月十日」の由来と実際の計算方法\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/5EzexRa3foh6Iy9700O8Aa/048e593bd1a3723d71a4ae3240116bb2/ã__ã__ã__ã__.jpg?w=800&fm=webp\" alt=\"ひらめき\" title=\"ひらめき\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">結論から言うと、現代の医学における妊娠期間は「280日間」と定められています。\u003C/p>\u003Cp class=\"paragraph node\">文字通り「10ヶ月＋10日」と考えると、カレンダー上では約315日前後になってしまい、実際の妊娠期間とは大きなズレが生じます。\u003C/p>\u003Cp class=\"paragraph node\">では、なぜ「十月十日」と呼ばれるようになったのでしょうか。\u003C/p>\u003Cp class=\"paragraph node\">主な理由は以下の2点にあります。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">旧暦（太陰暦）に基づくカウント 昔の日本では、月のみちかけ（約28日）を1ヶ月とする太陰暦が使われていました。28日×10ヶ月＝280日となり、これに語呂合わせや「満開の時を迎える」という意味合いを込めて「十日」を加えたという説が有力です。\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">「数え年」のような習慣 妊娠が発覚した月を「妊娠1ヶ月目」とし、出産を迎える月が「10ヶ月目」にあたるため、おおらかな表現として定着したとも考えられています。\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">つまり、「十月十日」とは正確な日数というよりも、赤ちゃんがお腹の中で成長する約280日間を象徴的に表現した美しい言葉なのです。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">1-2. 現代医学における妊娠期間の定義（妊娠40週＝280日）\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/4fNF8RSAaKIXb268ixzU7Q/762b1887fc52a17e0ebcbbcbe980ed2b/カレンダー.jpeg?w=800&fm=webp\" alt=\"カレンダー\" title=\"カレンダー\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">現在、産婦人科をはじめとする医療現場では、世界共通で「週数（しゅうすう）」を用いたカウント方法が採用されています。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">妊娠期間の基準： 最終月経の開始日を「妊娠0週0日」とする\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">出産予定日： 妊娠40週0日（＝280日目）\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">1ヶ月の定義： 妊娠期間における「1ヶ月」は4週間（28日間）で固定\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">妊娠月数が、\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">1ヶ月～4ヶ月（妊娠初期）は、週数でいうと0週～15週\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">5ヶ月～7ヶ月（妊娠中期）は、週数でいうと16週～27週\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">8ヵ月～10ヶ月（妊娠後期）は、週数でいうと28週～39週\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">最終月経の初日をスタート地点とするため、実際にはまだ受精・妊娠していない時期（0週～1週頃）も妊娠期間に含まれるのが現代医学の大きな特徴です。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Chr/>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch2 class=\"text-h2 node\">2. 妊娠週数ごとに見る母体の変化と赤ちゃんの成長\u003C/h2>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/7i4BrztXPfqGxEcj6nXrR6/25c9d8033e36f7419d9e7629b2848f06/ebf440de-800f-438a-82a3-8d28427c93df.jpg?w=800&fm=webp\" alt=\"虫メガネ3\" title=\"虫メガネ3\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">十月十日（280日間）という期間の中で、お母さんの身体と赤ちゃんは劇的な変化を遂げます。\u003C/p>\u003Cp class=\"paragraph node\">ここでは、初期・中期・後期の3つのフェーズに分けて、それぞれの特徴を解説します。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">2-1. 妊娠初期（0週～15週）：体の変化と「つわり」の時期\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/5GlFIQGp44Bn0prLxstGB5/ca7d255dc7dcdb3f59eada27635791f5/_______.png?w=800&fm=webp\" alt=\"女性 ダウン\" title=\"女性 ダウン\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">妊娠初期は、お腹の中の受精卵が急速に細胞分裂を繰り返し、人間としての重要な器官をつくり上げる極めて大切な時期です。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">母体の変化\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">生理の遅れや熱っぽさ（高温期の継続）\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">ホルモンバランスの激変による「つわり」（吐き気、におい悪阻、倦怠感など）\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">子宮が大きくなり始めることによる下腹部の張りや頻尿\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">赤ちゃんの成長\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">妊娠8週頃には「胎芽（たいが）」から「胎児（たいじ）」と呼ばれるようになり、心音や手足の形が確認できるようになります。\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">妊娠12週頃には主要な内臓器官の原形が完成します。\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">この時期は体調が不安定になりやすいため、無理をせずしっかりと休息を取ることが最優先されます。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">2-2. 妊娠中期（16週～27週）：いわゆる「安定期」と胎動の感動\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/5wLCsu55ry000TOiyTJaCw/314dbfc207f6f964a2e08b417b5a259f/____.JPG?w=800&fm=webp\" alt=\"お腹 手\" title=\"お腹 手\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">妊娠16週に入ると胎盤がほぼ完成し、いわゆる「安定期」を迎えます。\u003C/p>\u003Cp class=\"paragraph node\">つわりが落ち着き、心身ともに穏やかに過ごせる時間が増える時期です。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">母体の変化\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">つわりが治まり、食欲が回復する（※体重管理が必要な時期）\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">妊娠18週～20週頃にかけて、初めて「胎動」を感じる人が多くなる\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">乳房や下腹部が大きくなり、マタニティウェアが必要になる\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">赤ちゃんの成長\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">骨格や筋肉が発達し、羊水の中で活発に動き回るようになります。\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">聴覚が発達し、お腹の外の音やおかあさん・おとうさんの声が届き始めます。\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">超音波（エコー）検査で性別が判明することも増えていきます。\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">2-3. 妊娠後期（28週～39週）：臨月と出産への準備期間\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/1PbtxRfG5f6TjXLdxzBzBH/c68f924f6060ee65795838c31c713fcb/05a2a4bb-7dbd-4b0c-9fc9-9be956ffb1b1.jpg?w=800&fm=webp\" alt=\"妊婦　抱き枕\" title=\"妊婦　抱き枕\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">いよいよ出産が目前に迫る時期です。お腹がさらに大きくなり、物理的な負担が増してきます。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">母体の変化\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">胃の圧迫感、腰痛、足のむくみ、便秘などのマイナートラブルの増加\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">子宮が収縮する「前駆陣痛（ぜんくじんつう）」を感じることがある\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">妊娠36週からは「臨月（りんげつ）」に入り、出産に向けた身体の準備が最終段階に入る\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">赤ちゃんの成長\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">皮下脂肪が蓄えられ、ふっくらとした赤ちゃんらしい体型になります。\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">妊娠37週に入ると、器官の発達が十分整い、いつでも生まれてこられる状態（正期産）となります。\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Chr/>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch2 class=\"text-h2 node\">3. 信頼できる統計データで知る「妊娠・出産」の現実\u003C/h2>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/6boQrhEQpCWMJiBrZuQWg7/6d9a0f792191e9903feb38600a7a7047/ã__ã__ã__2.jpg?w=800&fm=webp\" alt=\"データ2\" title=\"データ2\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">安心した妊娠期間を過ごすために、厚生労働省などの公的機関が発表している信頼性の高い統計データやガイドラインを確認しておきましょう。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">3-1. 正期産・早産・過期産の割合と定義\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/3GOsK6NvCK1W18k3rizdBB/50034845ae5012ca3ebeadf68aa255a4/è__ã__ã__ã__2.jpg?w=800&fm=webp\" alt=\"虫メガネ2\" title=\"虫メガネ2\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">出産は予定日ぴったり（40週0日）に起こるわけではありません。医学的には以下の期間に分類されます。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">1.早産（妊娠22週0日～36週6日） 医療的ケアが必要となる可能性のある時期の出産です。日本における早産率は全分娩の約5～6％とされています。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">2.正期産（妊娠37週0日～41週6日） 赤ちゃんが十分に成長し、母体外での適応能力が整った状態での出産です。全出産の約90％以上がこの正期産にあたります。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">3.過期産（妊娠42週0日以降） 妊娠42週を超えると胎盤の機能が低下し始めるため、分娩誘発（陣痛促進剤など）が検討されます。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">出産予定日はあくまで「目安」であり、正期産の5週間のうちのどこかで生まれるのが正常なプロセスです。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">3-2. 厚生労働省が推奨する「妊婦健診」の回数\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/m0gzSE5ky2Gy5VZMrRSaP/cd4c25383c91fcb9ef0367d11439b738/iStock-1000838906.jpg?w=800&fm=webp\" alt=\"医者\" title=\"医者\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">母子の健康管理とトラブルの早期発見のため、定期的な「妊婦健康診査（妊婦健診）」を受診することが推奨されています。\u003C/p>\u003Cp class=\"paragraph node\">厚生労働省が提示している望ましい標準受診回数は合計14回です。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">妊娠初期～23週まで： 4週間に1回\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">妊娠24週～35週まで： 2週間に1回\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">妊娠36週以降（出産まで）： 1週間に1回\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">定期健診を受けることで、妊娠高血圧症候群や妊娠糖尿病、胎児の発育状況などを適切にモニタリングできます。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">3-3. 妊娠中の望ましい体重増加の目安\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">妊娠中の体重管理は、スムーズな出産と赤ちゃんの健やかな成長に欠かせません。\u003C/p>\u003Cp class=\"paragraph node\">厚生労働省の「妊産婦のための食生活指針（2021年改訂版）」によると、妊娠前のBMIに応じた推奨体重増加量は以下の通りです。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">痩せ型（低体重）：BMI18.5未満。推奨される体重増加量は12～15kg\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">ふつう：BMI18.5以上、25.0未満。推奨される体重増加量は10～12kg\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">肥満（1度）：BMI25.0以上、30.0未満。推奨される体重増加量は7～10kg\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">肥満（2度以上）：BMI30.0以上。推奨される体重増加量は個別対応。（およそ5kg前後）\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">※参照：厚生労働省「妊産婦のための食生活指針」過度なダイエットや急激な体重増加は避け、バランスの良い食事を心がけることが大切です。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Chr/>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch2 class=\"text-h2 node\">4. 出産予定日の正確な計算方法\u003C/h2>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/5VB5Rh5FLrsaN9pqiJZv3l/7368d0c2ba4b577df4c777ca44e8d609/b6fc7182-18cf-4396-b81d-be9edccdad15.jpg?w=800&fm=webp\" alt=\"妊婦と医者\" title=\"妊婦と医者\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">「自分の出産予定日はいつになるんだろう？」と気になる方のために、代表的な計算方法をご紹介します。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">4-1. ネーゲレ概算法による計算（自然妊娠の場合）\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">最終月経の初日をもとに計算する古典的かつ簡便な方法が「ネーゲレ概算法」です。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">月： 最終月経の開始月に「9を足す」（※10～12月の場合は3を引く）\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">日： 最終月経の開始日に「7を足す」\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">【計算例】 最終月経の初日が「4月10日」の場合\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">月：4 ＋ 9 ＝ 1月\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">日：10 ＋ 7 ＝ 17日\u003C/p>\u003C/li>\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">出産予定日：翌年1月17日\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">※この計算は月経周期が「28日周期」であることを前提としています。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">4-2. 産婦人科での超音波（エコー）検査・不妊治療の場合\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/64KElNMX8LGNS6MqHTVgs0/182a0f24da1991f5a85ba3d86af9b613/___.JPG?w=800&fm=webp\" alt=\"エコー\" title=\"エコー\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">実際の医療現場では、ネーゲレ概算法だけに頼るわけではありません。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">超音波検査による修正 妊娠8～11週頃に超音波（エコー）検査を行い、赤ちゃんの頭からお尻までの長さ（頭臀長：CRL）を計測して正確な妊娠週数・出産予定日を確定します。月経周期が不順な方でも、この方法で確実な予定日が算出されます。\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cul class=\"list\">\u003Cli class=\"list__item\">\u003Cp class=\"paragraph node\">体外受精・胚移植の場合 採卵日や胚移植を行った日時が正確に分かっているため、そこから逆算して0週0日・予定日を医師が特定します。\u003C/p>\u003C/li>\u003C/ul>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Chr/>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch2 class=\"text-h2 node\">5. 十月十日の妊娠期間を健やかに過ごすための3つのポイント\u003C/h2>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/5BCNhwZdFle68Z4A5gcYDX/0aaf5469b9291f0a10aaf570c1552cc9/%C3%A3__%C3%A3__%C3%A3__%C3%A3__2.jpg?w=800&fm=webp\" alt=\"ポイント2\" title=\"ポイント2\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">妊娠中の約280日間を安心・安全に過ごし、赤ちゃんを迎えるための具体的なライフスタイルのヒントを紹介します。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">① 栄養バランスと必要な栄養素（葉酸など）の補給\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/3KmecDEaNutiseS8W65r5A/5af754f3f76edbb177dce0e37e325642/%C3%A3__%C3%A3__%C3%A3__%C3%A3__%C3%A3_%C2%AA%C3%A3__.jpg?w=800&fm=webp\" alt=\"ブロッコリー\" title=\"ブロッコリー\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">赤ちゃんの細胞分裂や血液造りに必要な栄養をしっかり摂りましょう。\u003C/p>\u003Cp class=\"paragraph node\">特に「葉酸」は、神経管閉鎖障害などのリスクを低減するため、妊娠前から妊娠初期にかけて積極的な摂取（食事＋サプリメント等で1日400µg）が推奨されています。\u003C/p>\u003Cp class=\"paragraph node\">また、妊娠中は貧血を起こしやすいため、鉄分やカルシウム、タンパク質をバランス良く摂取しましょう。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">② 適度な運動と十分な休息のメリハリ\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/44UwGCdPNWnEAZZRrNnNnE/3824056bb58847c174e039d48530571a/マタニティヨガ.JPG?w=800&fm=webp\" alt=\"マタニティヨガ\" title=\"マタニティヨガ\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">体調が安定している時期には、ウォーキングやマタニティヨガなど、負荷の少ない運動を取り入れるのが効果的です。\u003C/p>\u003Cp class=\"paragraph node\">体力づくりや体重増加の防止、気分転換につながります。\u003C/p>\u003Cp class=\"paragraph node\">一方で、お腹の張りや倦怠感があるときは無理をせず、横になって体を休めることが最も重要です。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch3 class=\"text-h3 node\">③ メンタルケアとサポート体制の構築\u003C/h3>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/3pF8oReHEM7s3NYtBq9pxS/7f3252aa00e95ce812672172f976581b/ã_µã__ã__ã__2.jpg?w=800&fm=webp\" alt=\"サポート2\" title=\"サポート2\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">妊娠中はホルモンバランスの変化により、感情が不安定になりやすい時期です。\u003C/p>\u003Cp class=\"paragraph node\">一人で不安を抱え込まず、パートナーやご家族、自治体の保健師、産婦人科のスタッフなど周りの人々に素直に相談しましょう。\u003C/p>\u003Cp class=\"paragraph node\">地域のマタニティクラスなどに参加して、出産に向けた準備を進めるのもおすすめです。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Chr/>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Ch2 class=\"text-h2 node\">6. まとめ：十月十日という特別な時間を大切に\u003C/h2>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/7LZO4K3VoRcZmM6cz61VZe/1e9ec4074736868386a757859e8bf3db/å__å__ã__å__ã__ã__é__.jpg?w=800&fm=webp\" alt=\"妊婦と小さい靴\" title=\"妊婦と小さい靴\" loading=\"lazy\" />\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">「十月十日（とつきとおか）」という言葉は、現代医学の数値（40週・280日間）に換算すると少し不思議に感じるかもしれません。\u003C/p>\u003Cp class=\"paragraph node\">しかしその根底には、「母体が新しい命をはぐくみ、出産に至るまでの約9ヶ月強の道のり」を温かく見守り、労う日本の伝統的な文化と知恵が詰まっています。\u003C/p>\u003Cp class=\"paragraph node\">現代の妊娠管理は、医学的なデータや週数計算によって非常に安全性が高まっています。\u003C/p>\u003Cp class=\"paragraph node\">正確な妊娠週数の仕組みを正しく理解した上で、身体の変化に寄り添いながら、かけがえのない「十月十日」のマタニティライフを健やかに過ごしてくださいね。\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Chr/>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">\u003Cb>この記事を書いた人\u003C/b>\u003C/p>\u003Cp class=\"paragraph node\">\u003Cb>高橋 あい\u003C/b>\u003C/p>\u003Cimg class=\"image node\" src=\"https://images.ctfassets.net/hi9e7y4qjp3u/7kCFFAjuxwi2JWOrHLX2Sx/5e86d00c5bf1a58064c3578406638ceb/C041515672.jpeg?w=800&fm=webp\" alt=\"C041515672\" title=\"C041515672\" loading=\"lazy\" />\u003Ch4 class=\"text-h4 node\">\n\n\u003Cb>わくわくボディクリニック 代表 / 結果にこだわるサプリメント開発者\u003C/b>\u003C/h4>\u003Cp class=\"paragraph node\">\u003C/p>\u003Cp class=\"paragraph node\">2010年、女性の美容と健康に特化したサロン「わくわくボディクリニック」を創業。\u003C/p>\u003Cp class=\"paragraph node\">自身の摂食障害によるマイナス22kgの体験をきっかけに、栄養学と腸内環境の重要性に着目した元祖麹菌サプリメント「ノーカウント」を開発。\u003C/p>\u003Cp class=\"paragraph node\">「ノーカウント」は、ダイエット、美肌、腸活をサポートするサプリメントとして、全国250以上のエステサロン・治療院などで導入されるロングセラー商品へと成長。\u003C/p>\u003Cp class=\"paragraph node\">美容・健康業界のプロフェッショナルからも高い評価を得ている。\u003C/p>\u003Cp class=\"paragraph node\">また、2020年には神奈川県の未病スタイルアンバサダーに就任し、食生活改善セミナーや健康イベントなどを開催し、地域住民の健康増進に貢献。\u003C/p>\u003Cp class=\"paragraph node\">現在も最前線で施術を行いながら、科学的根拠に基づくサプリメントの研究・開発・販売を継続。\u003C/p>\u003Cp class=\"paragraph node\">美容・健康分野における革新的なアプローチを追求し続けている\u003C/p>\u003Cp class=\"paragraph node\">\u003C/p>",1785119549524]