INS and diabetes mellitus: In the first and second gestation, the pre-postpregnancy BMI, FPG, OGTT 2 h values, and TG levels, the proportion of insulin use during pregnancy, and the proportion of the family history of diabetes were significantly higher in pregnant women with abnormal postpartum glucose tolerance than in pregnant women with normal postpartum glucose tolerance, while the proportion of patients with regular exercise during pregnancy was significantly lower than in pregnant women with normal postpartum glucose tolerance (P < 0.05) (Table 2).