This cluster of papers focuses on the diagnosis and management of polycystic ovary syndrome (PCOS), covering topics such as ovarian reserve, insulin resistance, metabolic syndrome, androgen excess, fertility, anti-Mullerian hormone, cardiovascular disease, obesity, and infertility. The papers discuss various aspects of PCOS including its impact on long-term health risks, diagnostic criteria, treatment options, and the association with other conditions such as cardiovascular disease and metabolic syndrome.