BRD2 and Infertility: Comparisons between Group 1 and Group 2 revealed significant differences, including maternal age [33.00 (30.00–37.00) vs. 31.00 (29.00–35.00), P < 0.001], infertile years [5.00 (3.00–8.00) vs. 3.00 (2.00–6.00), P < 0.001], levels of FSH [7.10 (5.71–8.69) vs. 6.61 (5.25–7.95) mIU/mL, P < 0.001], and dose of gonadotropins [2850.00 (1950.00–4125.00) vs. 2325.00 (1800.00–3150.00) IU, P < 0.001].