Update: The pathogenesis and treatment of PCOS.

Irregular menstrual cycles, acne, and hirsutism often cause women to present to a primary care setting. This article demonstrates how to take a careful history, perform a physical examination, and order the laboratory tests necessary to diagnose polycystic ovary syndrome (PCOS). Managing PCOS complaints and maintaining important health issues are also addressed, as well as when to refer to a specialist.