When PCOS patients were classified on the basis of BMI, TSH levels significantly correlated with insulin secretion, insulin resistance, DHEAS, and cortisol levels in obese PCOS women. In nonobese PCOS patients, only waist-to-hip ratio values were correlated with TSH-----The presence of SCH is associated with endocrine and metabolic imbalances of PCOS, and the excessive body weight seems to promote this interplay. Here, INS is linked to polycystic ovary syndrome.