BMI, OV, serum FSH, LH, E2, TT, and FSH/LH ratio were not significantly different among the 4 subgroups; however, the duration of infertility, AFC, serum AMH levels, AFC/Age ratio, AMH/Age ratio, ORPI, and retrieved oocyte numbers were significantly different among the 4 subgroups. The gene discussed is PLOD1; the disease is Infertility.