全球肥胖的发病率在近几十年中持续增长，尽管人们试图采取各种方式进行干预，育龄女性在孕期肥胖者仍占20％，肥胖女性妊娠几乎可以导致所有产科并发症的增加，并且造成胎儿的先天异常和宫内异常生长。由于药物治疗和生活方式改变的局限性，减肥手术已经成为治疗肥胖和减少孕期肥胖相关并发症最有效的方式。对于特定类型的并发症，减肥手术后的怀孕似乎比孕期肥胖更安全。“,”The prevalence of obesity worldwide has been increasing over the last several decades.Despite attempted intervention,1 in 5 women of reproductive age are obese when they conceive.Obesity during preg-nancy increases the risk of almost every obstetric complication ,and also puts the developing fetus at risk for congenital abnormalities and abnormal intrauterine growth .Due to the limited success of medical therapy and life-style change,bariatric surgery has become increasingly important in managing obesity.Regarding certain complications,pregnancy after bariatric surgery appears to be safer than pregnancy with obesity.