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帝王切開分娩が母乳組成に及ぼす影響—ナラティブレビュー
Maciej Maj1, Joanna Robaczyńska1, Maja Owe-Larsson1
1Department of Histology and Embryology, Center of Biostructure Research, Medical University of Warsaw, 02-091 Warsaw, Poland.
Nutrients
|January 28, 2026
まとめ
帝王切開(CS)分娩は母乳組成、特に初乳期に変化をもたらす。一部の変化は乳児の健康に影響を与える可能性があるが、すべての乳児にとって母乳育児は依然として重要である。
科学分野:
- ヒト母乳組成
- 新生児の健康
- 産科学
背景:
- 帝王切開(CS)率は世界的に上昇している。
- CS分娩はヒト母乳組成および乳児の健康に影響を与える可能性がある。
- 母乳育児はCSに関連する一部の有害な健康転帰を軽減することができる。
研究 の 目的:
- CS分娩がヒト母乳組成に及ぼす影響に関するエビデンスをレビューすること。
- 新生児および乳児の健康への影響を考察すること。
- CSと母乳組成に関する研究のギャップを特定すること。
主な方法:
- 分娩様式とヒト母乳に関する研究のナラティブレビュー。
- 2025年7月にMEDLINEデータベースを実施。
- 特定された1212の研究から選択された54の研究の定性的合成。
主要な成果:
- CSは、乳汁組成(初乳、移行乳)における一過性で授乳期依存性の変化と関連している。
- 主要栄養素、ミネラル、免疫因子、ホルモン、および微生物叢における変化が観察された。
- 成熟乳への影響は一貫性が低く、乳児の転帰に対する臨床的意義は不明である。
結論:
- CSはヒト母乳組成を一過性に変化させ、乳児にとって潜在的な利点と欠点がある。
- CS関連の母乳変化の乳児の長期的な健康への影響については、さらなる調査が必要である。
- 分娩様式に関係なく、乳児の健康にとって母乳育児は不可欠である。
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