Compared with the control group, the patients without GDM had significantly lower age, BMI (p < 0.001), TB (p = 0.008), TBA (p < 0.001), Cr (p < 0.001), UA (p < 0.001), Hb (p < 0.001), TP (p < 0.001), Alb (p < 0.001), FPG (p < 0.001), GA (p < 0.001), and HbA1c (p < 0.001); but had significantly higher TC (p < 0.001), TG (p < 0.001), HDL-C (p = 0.004), and AG (p < 0.001). The gene discussed is GSTM1; the disease is gestational diabetes.