BRD2 and Infertility: The mean values and Standard Deviation (SD) of age, basal FSH, reason of infertility, number of COCs, number of MII oocytes, fertilization and blastulation rates, and post-thawing survival rate of the blastocyss of the groups, characterized by the statistical significance: Group A (1-2 blastocysts frozen), Group B (2-3 blastocysts frozen), Group C (5-6 blastocysts frozen) and Group D (≥7 blastocysts frozen).