BRD2 and Infertility: Female age, basal FSH level, duration of infertility, duration of COS, gonadotropin dosage, endometrial thickness on the day of hCG trigger, number of oocytes retrieved, 2PN oocytes, good-quality embryos/rate, at least one good-quality embryo transferred rate, and number of embryos transferred and frozen did not differ significantly between the two subgroups (Table 6).