In order to test for a potential effect of GnRH-R-aAb on circulating steroid hormones, serum concentrations of total Testost., free Testost., DHEAS and androstenedione were determined in GnRH-R-aAb positive PCOS patients and compared to the reference range of healthy women and to the range of the other adult patients of PCOS-A. Here, GNRHR is linked to polycystic ovary syndrome.