Insulin, HOMA-IR, LH, E2, prolactin, DHEAS and TT levels were significantly higher in PCOS group (p < 0.001, p < 0.001, p < 0.001, p = 0.038, p = 0.012, p = 0.001 and p < 0.001, respectively). The gene discussed is INS; the disease is polycystic ovary syndrome.