While the fresh ET group was still inclined to have more infertile years [5.00 (3.00–7.00) vs. 4.00 (2.00–6.00), P < 0.001] and higher FSH levels [7.00 (5.58–8.34) vs. 6.09 (4.63–7.71), P < 0.001], there were no marked differences in oocytes remained for r-ICSI [10.00 (6.00–14.00) vs. 10.00 (7.00–14.00), P = 0.149]. This evidence concerns the gene BRD2 and Infertility.