Female age, female body mass index (BMI) and male age were lower in group A, and antral follicle count (AFC) was larger in group B. There were no significant differences in the type of infertility, baseline follicle-stimulating hormone (FSH), number of previous IUI cycles, protocols of IUI cycles, number of progressive motility spermatozoa after treatment, endometrial thickness, and number of IUI between the two groups. Here, BRD2 is linked to Infertility.