妊娠糖尿病(gestational diabetes mellitus,GDM)指妊娠前无糖尿病和糖耐量异常,在妊娠期发生或首次发现的糖尿病或糖耐量异常,GDM不包括妊娠前已知的糖尿病患者。GDM具有餐后高血糖明显、空腹血糖偏低、易出现肾性糖尿等特点,通常发生于妊娠中晚期,并可能同时合并其他类型的糖 Gestational diabetes mellitus (gestational diabetes mellitus, GDM) refers to the non-diabetic and impaired glucose tolerance before pregnancy, occurring during pregnancy or first discovered diabetes or impaired glucose tolerance, GDM does not include pre-pregnancy known diabetes. GDM with significant postprandial hyperglycemia, fasting blood glucose is low, prone to renal diabetes and other characteristics, usually occurs in the second trimester, and may also be combined with other types of sugar