As presented in Table 4, basal characteristics, including age, body mass index, infertility duration, infertility types, basal FSH and AMH, as well as cycle characteristics, including endometrial thickness, ET day, number of transferred embryos, percentage of ≥ one top-quality embryo transferred and quality of transferred embryos, were comparable between the two groups. The gene discussed is BRD2; the disease is Infertility.