Objective  To determine the risk of metabolic syndrome (MS) and polycystic ovary syndrome (PCOS) in a cohort of indigenous South Asian women with a recent history of gestational diabetes mellitus (GDM).
Design  Case–control study.
Setting  Department of Obstetrics & Gynaecology, University of Colombo, Sri Lanka.
Sample  Two hundred and seventy‐four indigenous Sri Lankan women with previous GDM and 168 ethnically matched controls. Of these, 147 with previous GDM and 67 controls not taking hormonal contraception participated in an in‐depth endocrine study.
Methods  Assessing the prevalence of MS and PCOS based on clinical features, biochemistry and ovarian ultrasound examination at 3 years postpartum.
Main outcome measures  Prevalence of MS and PCOS.