BRD2 and polycystic ovary syndrome: Regarding infertility duration as a predictor of pregnancy in subjects with PCOS, similar results were reported by van Wely et al. [65] and Si et al. [66] who observed that women with infertility duration of < 2 years were found to be more likely to achieve an ongoing pregnancy following ovulation induction with recombinant FSH in women with polycystic ovary syndrome, but this association was not statistically significant.