Clinical risk factors at 15 weeks, and ultrasound scan variables at 20 weeks in logistic regression model for SPTB-PPROM.
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1 = hormonal fertility treatment other than clomiphene; GDM = gestational diabetes mellitus; participant’s position in family = index mother not being the first-born); Reference BMI 20–<25.
创建时间：
2012-07-16
