Fig. 1

STROBE flow chart. Abbreviation GDM gestational diabetes mellitus, MetS metabolic syndrome, STROBE Strengthening the Reporting of Observational Studies in Epidemiology, T2DM type 2 diabetes mellitus
STROBE flow chart. Abbreviation GDM gestational diabetes mellitus, MetS metabolic syndrome, STROBE Strengthening the Reporting of Observational Studies in Epidemiology, T2DM type 2 diabetes mellitus