Polycystic ovary syndrome or PCOS is also called "Stein-Leventhal Syndrome". It comprises of many endocrinal disturbances of female reproductive system and manifested variably to be called as a "Syndrome. " Insulin resistance is seen in 30-40% women with PCOS and is accompanied with hyperinsulinemia in about 50-70% of women. Cardiometabolic index (CMI) is a new marker for coronary artery disease and metabolic syndrome. The relationship of CMI and insulin resistance is further explored in the

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... sent study using peroxisome proliferator activated receptor-γ (PPAR-γ ) serum levels. PPAR-γ or glitazone receptors are involved in improving insulin sensitization, mainly through adipocyte differentiation. Aims and objectives: To study whether there is any association of CMI and insulin resistance with PPAR-γ serum levels. Materials and methods: A hospital-based observational case-control study was conducted in 50 diagnosed cases of PCOS (15-45 years of age) as per revised Rotterdam Criteria along with 50 age-matched apparently healthy women volunteers as controls. Fasting blood samples on D 2 / D 3 were taken to obtain serum for analysis of biochemical and glycemic parameters, including lipid profile and HOMA-IR. PPAR-γ levels were estimated using sandwich enzyme-linked immunosorbent assay. Statistical analysis using SPSS ver. 23 employing independent sample t test for intergroup comparison of means and Pearson's correlation coefficient for correlation analysis was done. Results and conclusion: Serum triglyceride levels were found to be significantly higher in cases (121.08 ± 57.6 mg/dL) when compared to controls (97.6 ± 44.2 mg/dL), suggesting that dyslipidemia is associated with PCOS, with hypertriglyceridemia being an important component of it. This study showed significantly lower levels of PPAR-γ in the cases when compared to controls (p value < 0.05). HOMA-IR showed a significant positive correlation with serum TG. CMI also depicted significant and positive correlations with hypertriglyceridemia, HOMA-IR, and PPAR-γ .