The most significant differentiation between PCOS+HT and PCOS groups was observed for rs4484951 in FNDC7 gene (OR 4.62; 95% CI 1.95-12.85) and between PCOS+HT and HT groups for rs8101480 in HIF3A gene (OR 5.88; 95% CI 1.89-25.0). This evidence concerns the gene HIF3A and polycystic ovary syndrome.