Risk of early birth by body mass index in a propensity score-matched sample: A retrospective cohort study.
BJOG : an international journal of obstetrics and gynaecology（2022）
摘要
Propensity score-matched women with BMI ≥30 kg/m were at decreased risk of a late spontaneous preterm birth.
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关键词
body mass index,early,early term birth,preterm birth,propensity-matched sample,risk factor,spontaneous preterm birth
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