Due to the characteristics of PCOS, the patients of PCOS group had more AFC (23.56 ± 4.98 vs 13.40 ± 4.99, P<0.001) and higher AMH level (45.07 ± 24.02 vs 19.22 ± 11.13, P<0.001). This evidence concerns the gene AMH and polycystic ovary syndrome.