妊娠期糖尿病(GDM)指妊娠期发生或首次发现的同程度的葡萄糖耐量异常,若发生在妊娠早期有可能葡萄糖耐量异常在妊娠前就已经存在。其发病率在过去20年显著升高,已从1%上升至14%左右,这与调查人群和采用的诊断方法有关,我国估计发病率约5%。GDM威胁着孕妇、胎儿和新生儿的健康, Gestational diabetes mellitus (GDM) refers to the same degree of glucose tolerance abnormality that occurs or was first detected during pregnancy, and it is possible that abnormal glucose tolerance occurs before pregnancy in the first trimester of pregnancy. Its incidence has risen significantly over the past 20 years, from 1% to about 14%, which is related to the survey population and the diagnostic method used, with an estimated incidence of about 5% in our country. GDM threatens the health of pregnant women, fetuses and newborns,