Results also demonstrate that, with the increase of AFC, AMH, days of Gn, Dosage of Gn, and E2 level on the HCG day, the general number of oocytes retrieved would also increase; the increase of age, infertility duration, and bFSH would, however, reduce the number of oocytes retrieved in return. The gene discussed is FSHB; the disease is Infertility.