Objective To study the relationship of gestational diabetes mellitus(GDM) and ~family history of diabetes (FHD), clinical characteristics and maternal and infant outcomes of GDM and gestational impaired glucose tolerance (GIGT).

• 目的探讨糖尿病(DM)家族史与妊娠期糖代谢异常的发病关系、临床特点和妊娠结局。