Parameters of insulin resistance such as fasting insulin (GW < 20: 12.7 ± 8.5 μIU/mL, GW 24–28: 18.3 ± 17.5 μIU/mL, Postpartum: 10.9 ± 6.4 μIU/mL) and HOMA2-IR (GW < 20: 1.6 (± 1.05), GW 24–28: 2.12 (± 1.63), Postpartum 1.41 (± 0.83)) increased over the course of pregnancy and decreased postpartum. The gene discussed is INS; the disease is Insulin resistance.