Keywords
Weight gain
Pregnancy outcome
Submitted : 2024-02-25
Accepted : 2024-03-11
Published : 2024-03-26
Abstract
Objective: To investigate the effects of maternal body mass index (BMI) and gestational weight gain on maternal and neonatal outcomes in twin pregnancies. Methods: Five hundred cases of twin pregnancies were divided into a low body weight group (68 cases), a normal weight group (355 cases), an overweight group (65 cases), and an obesity group (12 cases) according to the World Health Organization (WHO) Body Mass Index (BMI) classification guidelines Results: Comparison of weight gain during different pregnancies revealed that pregnant women were mainly of low weight and average weight. The higher the BMI before pregnancy, the higher the incidence of excessive weight gain during pregnancy. The incidences of gestational diabetes mellitus (GDM) and premature rupture of membranes in women with low weight gain were significantly higher than those in women with average weight gain and high weight gain (P < 0.05). The incidences of gestational hypertension, preeclampsia, and anemia in women with high weight gain were significantly higher than those in women with low weight gain and average weight gain (P < 0.05). The incidence of neonatal birth weight, fetal distress, and macrosomia in the high weight gain group was significantly higher than those in the low weight gain and average weight gain groups (P < 0.05). The birth weight of newborns in low-weight gain mothers was significantly lower than that of normal-weight gain mothers (P < 0.05). Conclusion: Poor maternal and infant outcomes were common in women with insufficient or excessive weight gain during pregnancy. Therefore, for women with twin pregnancies, weight management is crucial to ensure maternal and infant health.
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