妊娠期糖耐量异常是指妊娠期发生的一组以胰岛素抵抗为明显特征的疾病。主要指妊娠期糖尿病(G D M)及糖耐量受损(G IG T)[1]。因其自身的生物学特征,对孕妇本身及围产儿均可造成一定的影响。易分娩巨大儿一般被认为是其重要的特征之一。但临床上亦发现有些妊娠期糖耐量异常病例 Gestational impaired glucose tolerance refers to a group of gestational diseases characterized by insulin resistance. Mainly refers to gestational diabetes (G D M) and impaired glucose tolerance (G IG T) [1]. Because of its own biological characteristics, pregnant women themselves and perinatal children can have a certain impact. Easy childbirth huge children are generally considered one of its important features. However, some cases of abnormal glucose tolerance in pregnancy have also been found clinically