BRD2 and Infertility: Infertile patients receive comprehensive infertility evaluation to determine the infertility causes, including history and physical examination, diagnosis tests including semen analysis, documentation of normal ovulatory function and tubal occlusion, ovarian reserve testing [day 3 follicle-stimulating hormone (FSH), estradiol (E2), clomiphene citrate challenge test, anti-Müllerian hormone (AMH), or antral follicle count], and the assessment of fallopian tube patency and uterine cavity [2,3,4].