Women with dysglycemia, compared to the normoglycemic group, had a higher median BMI at 11–13 weeks' gestation (28.5 (IQR, 24.3–33.6) kg/m2vs 26.5 (IQR, 23.3–31.5) kg/m2) and a higher prevalence of Black ethnicity (31.6% vs 15.8%), first‐ or second‐degree family history of DM (55.7% vs 48.6%), GDM in a previous pregnancy (34.1% vs 22.5%), diagnosis of GDM < 24 weeks' gestation (26.9% vs 10.0%) and use of insulin for the treatment of GDM (27.9% vs 13.6%). This evidence concerns the gene INS and diabetes mellitus.