BRD2 and polycystic ovary syndrome: The effect of basal testosterone levels in IVF cycles of patients without PCOS was evaluated in a study by Sun et al.(22) consistent with our results in PCOS patients, the authors concluded that although basal testosterone did not predict pregnancy outcomes, it was associated with the large follicles on human koryonik gonadotropin day, FSH dosage, and also that lower levels of basal testosterone might be related with poor ovarian response(22).