CYP11A1 and polycystic ovary syndrome: In this study, the differences in the heterozygosity status of the alleles at the rs4886595 C>A within CYP11A1 involved in PCOS recorded significant differences in the patient and control groups, while the heterozygosity of rs4887139 G>A within CYP11A1 was shown to be insignificant in both groups.