BRD2 and ovarian hyperstimulation syndrome: The women in OHSS group were younger (29.12 ± 3.82 VS 28.60 ± 3.59), had a lower BMI (24.08 ± 3.57 VS 23.72 ± 3.54) as well as a lower basal serum FSH (5.94 ± 1.35 VS 5.59 ± 1.34) and E2 (46.92 ± 33.96 VS 43.99 ± 30.55) levels.