BRD2 and Infertility: The demographic and baseline characteristics of the study population were described in Tables 1 and 2, no significant differences were observed in the female age, BMI, basal FSH value, basal E2 value, Gn stimulation time, total Gn dose, the number of retrieved oocytes, infertile time, and proportion of IVF/ICSI (p > 0.05).