妊娠期糖尿病(GDM)指妊娠期发生或首次发现的不同程度的糖耐量异常。GDM约占全部妊娠的1%~5%。由于种族,确诊方法及诊断标准的不同,其发病率为1%~14%。据报道,中国目前GDM发生率为1.31%~3.75%。近年来由于重视孕期糖尿病筛查,GDM的检测率逐年升高,GDM可对妊娠产生不良影响,造成 Gestational diabetes mellitus (GDM) refers to varying degrees of impaired glucose tolerance that occurs or is first detected during pregnancy. GDM accounts for about 1% to 5% of all pregnancies. Due to race, diagnosis methods and diagnostic criteria, the incidence rate of 1% to 14%. It is reported that the current incidence of GDM in China is 1.31% ~ 3.75%. In recent years due to the importance of screening for pregnancy diabetes, GDM detection rate increased year by year, GDM can have adverse effects on pregnancy, resulting in