In the univariate analysis, ORs of SAV, GDM (with or without insulin treatment), nulliparity, BMI before pregnancy ≥ 25 kg/m2, < 30 kg/m2, BMI before pregnancy ≥ 30 kg/m2, BMI at delivery ≥ 30 kg/m2, chronic hypertension, PCO, hyperlipidemia, hypothyroidism, previous GDM history, previous PAH history, family history of DM and pregnancy complication of PAH were significantly increased in the postpartum T2DM group (Table 4). The gene discussed is INS; the disease is pulmonary arterial hypertension.