INS and polycystic ovary syndrome: Zhao H. et al. indicated that PCOS-AITD women had statistically significant higher serum insulin levels in 30 min and 60 min oral glucose tolerance test as well as higher insulin resistance indexes compared to PCOS women [14] All participants in the study were euthyroid and only the effect of aTPO and aTG level variations on metabolic state was investigated—as in our research.