Perinatal mortality rate is increased among women whose initial prepregnancy weight is less than 120 pounds, especially if their weight gain during pregnancy is less than 11 pounds. Being overweight or obese also puts the mother and her fetus at increased risk of obstetric complications, including early miscarriage. gestational hypertension, preeclampsia, gestational diabetes, fetal macrosomia, cesarean delivery, and operative complications such as increased operative time, increased blood loss, infection, and anesthetic complications. Therefore, women who are significantly underweight or overweight should undergo medical and nutritional evaluation, counseling, and therapy before becoming pregnant.
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