Gestational diabetes mellitus has adverse impact on pregnant women and their offspring and increase the risk of metabolic syndrome for the posterity.Meanwhile,the incidence rate of macrosomia or large for gestational age infant will be increased and also the obesity rate of the children.However,the incidence of metabolic syndrome directly caused by gestational diabetes mellitus is still in controversy.Reports have point out that metabolic syndrome have some relations with hyperinsulinism,hyperglycemia and m...