BRD2 and Infertility: Women under 35 years of age had higher clinical pregnancy rates (8.14 vs. 4.29% in the fresh ET group and 48.96 vs. 41.55% in the freeze-all group), LBR (5.97 vs. 2.68% in the fresh ET group and 38.89 vs. 32.47% in the freeze-all group), and cLBR (10.13 vs. 5.36% in the fresh ET group and 53.82 vs. 48.05% in the freeze-all group), along with fewer infertile years, lower FSH levels, lower gonadotropin dose, and fewer oocytes used for r-ICSI.