Previously, FSRH, INHA, ESR1, and BMP15 gene polymorphisms have been studied with regard to the conditions of the female reproductive system, including polycystic ovary syndrome, poor ovarian response, POI, breast cancer, and endometriosis, as well as male infertility [50,57,58,59,60,61,62,63,64,65,66,67]. Here, BMP15 is linked to endometriosis.