50歳以上の女性の妊産婦と産前期のアウトカム: 全国横断研究
Shunya Sugai1, Takahiro Tanaka2, Hiroto Yamamoto1
1Department of Obstetrics and Gynecology, Niigata University Medical and Dental Hospital, Niigata, Japan.
The journal of obstetrics and gynaecology research
|September 5, 2025
まとめ
50歳から54歳までの妊婦は,若い母親と比較して,帝王切開,妊娠前出血症,妊娠中の糖尿病,胎盤前出血症のリスクが高くなります. 妊娠 の 結果 に つい て 慎重 に 考える 必要 が あり ます.
科学分野:
- 生殖医学
- 妊婦と胎児の医療
- 老年産婦人科
背景:
- 妊婦の高齢化 (AMA) は妊娠リスクの増加と関連しています.
- 助産生殖技術 (ART) を受けている50歳以上の女性のデータは限られている.
- リスクアセスメントの精錬は,エビデンスに基づくカウンセリングとマネジメントに不可欠です.
研究 の 目的:
- 50歳から54歳,55歳から59歳の妊婦の妊産婦と妊婦周期の結果を調査する.
- より若い対照群 (45~49歳) と結果を比較する.
- 先進的な母性年齢のART妊娠におけるカウンセリングと胎内ケアに関するガイドラインを提示する.
主な方法:
- 日本産婦人科協会 (2013-2022) の全国登録データ.
- 高度の倍数を除く45~59歳の女性のART妊娠の分析
- 年齢グループでの結果の比較: 45~49歳,50~54歳,55~59歳
主要な成果:
- 50歳から54歳までの女性は,45歳から49歳までのグループと比較して,帝王切開,子宮前出血症,妊娠中の糖尿病,胎盤前出血症,胎盤増殖,早産のリスクが著しく高かった.
- 胎盤前症のリスクは,母親の年齢が上がるにつれて,著しく増加しました.
- 55歳から59歳までの年齢層はサンプルサイズが小さいため,決定的な結論は得られませんでした.
結論:
- 50歳から54歳までの女性は,妊娠の不良の結果のリスクが著しく高まります.
- 特に50歳以上の高齢の母親は 妊婦の介護に注意を払う必要があります
- 55歳から59歳までの女性を対象としたさらなる研究が必要である.
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