妊娠期间体重增加10～12kg,妊娠晚期每周增加体重<500g。肥胖孕妇在妊娠期间过度增加体重时,常见各种产科异常,易患高血压病、妊高征、分娩时异常出血、巨大儿、新生儿异常,剖宫产率明显增高。相反,明显消瘦孕妇担心胎儿发育不良,在孕期摄取营养素是必需的,适当控制体重也是必要的。 Weight gain during pregnancy 10 ~ 12kg, increased weight per week during pregnancy <500g. Obese pregnant women overweight during pregnancy, a variety of common obstetric disorders, susceptible to hypertension, pregnancy-induced hypertension, abnormal bleeding during childbirth, macrosomia, neonatal abnormalities, cesarean section rate was significantly higher. On the contrary, obviously thin pregnant women worry about fetal dysplasia, nutrient intake during pregnancy is necessary, proper weight control is also necessary.