Comparison of clinical, metabolic, and hormonal parameters in lean vs. obese women with polycystic ovary syndrome: a single-center study from Bangladesh

A bi‑directional relationship exists between obesity and polycystic ovary syndrome (PCOS). Although most of the patients with PCOS are obese, normal-weight patients still account for a certain proportion of PCOS who have lesser degrees of insulin resistance and fewer metabolic risk factors. This study was conducted to compare the clinical, metabolic, and endocrine parameters of the two categories of PCOS: lean and obese PCOS. We evaluated 523 women with PCOS attending the Endocrinology outpatient department of a tertiary hospital in Bangladesh. PCOS patients with body mass index (BMI)