テキサスのトリソミー21の幼児における早産の流行病学的特徴 (1999年−2018年)

Fatima R Sheriff¹, Renata H Benjamin¹, Jenil Patel¹

¹Department of Epidemiology, University of Texas Health Science Center at Houston (UTHealth), School of Public Health, Houston, Texas, USA.

American journal of medical genetics. Part A

|August 21, 2025

まとめ

トライソミー21の赤ちゃんの22%が早産で,一般の2倍です. 母の年齢と産前ケアの欠如は,ダウン症の乳児におけるこのリスクを大幅に高めます.

科学分野:

生後流行病学
遺伝と発達障害
公衆衛生

背景:

トライソミー21 (ダウン症候群) の乳児は一般人の 2 倍の割合で早産を経験します.
この特定の集団における早産に関連した母親と乳児の要因に関する知識のギャップが存在します.

研究の目的:

トライソミー21のシングルトン乳児における早産に関連した母性および乳児の要因を特定する.
ダウン症の乳児の早産率を減らすための潜在的な介入の情報提供

主な方法:

テキサスの出生障害登録 (1999年−2018年) を利用した伝染病学研究.
トライソミー21と診断されたシングルトン乳児の含有
多変量ロジスティック回帰分析で,早産と14の母親/乳児の特徴との関連を評価する.

主要な成果:

早期出産と母親の人種/民族,母親の年齢 (例えば40歳以上),母親の出生地,産前ケアへのアクセス,喫煙,乳児の性別,出産年との間に有意な関連性が見つかりました.
妊婦の高齢化 (aOR1. 44) と産前ケアの欠如 (aOR1. 59) に伴い,早産のリスクが増加した.

結論:

発見は,トリソミー21の乳児の早産リスクプロフィールの理解を深める.
特定された要因は,この脆弱なグループにおける早産率を下げるための将来の研究と標的型介入の開発を導くことができます.

キーワード:

テキサス州ダウン症候群流行病学について産前出産トライソミー21

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