Polycystic ovary syndrome − 988 Genes (https://www.disgenet.org/browser/0/1/0/C0032460/) Hyperandrogenism − 108 Genes (https://www.disgenet.org/browser/0/1/0/C0206081/),Oligomenorrhea − 37 Genes (https://www.disgenet.org/browser/0/1/0/C0028949/). We predicted 5 common genes in “Poly Cystic Ovary Syndrome (PCOS)”, “Hyperandrogenism” and “Oligomenorrhea”: NR3C1, PPARG, FOS, CYP17A1, H6PD. The gene discussed is CYP17A1; the disease is polycystic ovary syndrome.