AP3S2 and gestational diabetes: This study examined the association of three genome-wide association study (GWAS)-identified T2DM variants, AP3S2 rs2028299 (C>A), ST6GAL1 rs16861329 (C>T), and VPS26A rs1802295 (C>T), with GDM susceptibility in pregnant women from North India.<h4>Methods</h4>This observational case-control study was conducted at the tertiary care antenatal clinic of a medical university in Uttar Pradesh, India, and included 69 women with GDM and 69 age- and BMI-matched non-GDM controls.