有报道妊娠期糖尿病 (GDM)发生率高达 4%。有某些危险因素如肥胖、巨大儿史、原因不明的死胎 ,年龄 2 5岁 ,糖尿病家族史等病史的孕妇更应作 GDM筛查。但这些危险因素中无一种比先前有 GDM史更能预测 GDM复发的机会 ,其复发率为 5 2 %～ 6 9%。作者实施本研究的目的是评估前次 The incidence of gestational diabetes (GDM) has been reported as high as 4%. There are certain risk factors such as obesity, great childhood history, unexplained stillbirth, age 25 years old, family history of diabetes and other pregnant women should be GDM screening. However, none of these risk factors was more likely to predict the recurrence of GDM than previous history of GDM, with a relapse rate of 52% to 69%. The purpose of the author’s implementation of this study was to evaluate the previous