Abstract
Objective To explore the effects of pre-pregnancy body mass index (BMI) and excessive gestational weight gain on pregnancy outcomes of pregnant women. Methods The clinical data of 1 427 pregnant women was retrospectively analyzed. According to the BMI before pregnancy, these pregnant women were divided into thin group (BMI Results The incidence rates of adverse pregnancy outcomes such as hypertensive disorder complicating pregnancy, gestational diabetes, postpartum hemorrhage, fetal macrosomia, low birth weight, premature delivery and cesarean section in the overweight and obese group were higher. Among them, the incidence of adverse pregnancy outcomes such as hypertensive disorder complicating pregnancy, gestational diabetes, postpartum hemorrhage and cesarean section showed statistically significant differences(P Conclusion Overweight BMI before pregnancy and abnormal body mass gain during pregnancy both increase the risk of adverse pregnancy outcomes, and BMI before pregnancy and weight gain during pregnancy can predict adverse pregnancy outcomes.
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