These include: (1) hyperglycemia diagnosed in the first trimester; (2) the degree of glucose intolerance and insulin required during pregnancy; (3) gestational age at diagnosis of GDM; (4) excessive weight gain during pregnancy; (5) inability to shed pregnancy‐induced weight gain postdelivery; (6) history of GDM in an earlier pregnancy; and (7) shorter duration of breastfeeding. This evidence concerns the gene INS and Hyperglycemia.