Objective: To observe the result of the 75 g oral glucose tolerance test(OGTT) in gestational diabetes mellitus(GDM) at six weeks after delivering.

• 目的:探讨妊娠期糖尿病(GDM)孕妇产后6周的75g葡萄糖耐量试验(OGTT)结果了解产后DM的发生率。