BRD2 and Infertility: Compared with women with a normal uterus, women with a unification defect had higher serum FSH level (6.97 ± 6.91 vs 6.22 ± 2.99 IU/ml, P = 0.017) and higher proportion of tubal factor caused infertility (31.9% vs 20.8%) and lower proportion of male factor caused infertility (17.4% vs 25.1%) (P < 0.001).