Although the BMI and duration of infertility did not differ significantly between the two groups, the basal T levels (0.71 ± 0.42 vs 0.64 ± 0.35, P=0.001) and LH/FSH ratio (0.78 ± 0.54 vs 0.70 ± 0.56, P=0.014) were higher in the live-birth group. The gene discussed is PLOD1; the disease is Infertility.