体外受精における卵巣反応性と生児獲得における人種/民族差
Iris T Lee1, Nathanael Koelper1, Monica Mainigi1
1Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, PA, USA.
Fertility and sterility
|February 28, 2026
まとめ
体外受精(IVF)を受けた黒人女性は、白人女性と比較して卵巣感受性が高いが、生児獲得率は低い。これらの格差は、卵巣反応以外の要因がIVFの成功に影響することを示唆している。
科学分野:
- 生殖内分泌学および不妊症;臨床産科および婦人科;健康格差研究
背景:
- 体外受精(IVF)を受けている人種/民族グループ間で、ゴナドトロピン刺激に対する卵巣反応性は異なる。;これらのバリエーションを理解することは、IVFプロトコルを最適化し、治療結果における潜在的な格差に対処するために重要である。
主な方法:
- 米国補助生殖技術学会クリニック成果報告システムからの246,132件のIVFサイクル(2017-2019年)の後ろ向きコホート研究。;卵巣感受性指数(OSI)を(回収卵子数/ゴナドトロピン投与量x 1000)として計算し、年齢、BMI、過去のサイクル数、AMH、不妊症の診断で調整した。;累積生児獲得率を人種/民族別に層別化し、交絡因子で調整して分析した。
結論:
- 卵巣反応性が高いことはIVFにおける生児獲得率の増加と相関するが、人種/民族間の格差は依然として存在する。;黒人参加者は卵巣反応性が高いが、生児獲得率が低いことを示しており、刺激反応以外の要因が生児獲得率の違いに寄与していることを示唆している。;IVFの成功におけるこれらの格差の根本原因を特定し、対処するためにはさらなる研究が必要である。
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