What this means
PCOS is usually diagnosed when at least two of these are present: irregular or absent periods, signs of raised androgens (like excess hair or acne), and polycystic ovaries on a scan. This checklist isn't a diagnosis — but the more boxes you tick, the more worthwhile a GP conversation and simple tests (bloods, ultrasound) become.
How is PCOS diagnosed?
By the "Rotterdam criteria" — two of: irregular/absent periods, high androgen signs, and polycystic ovaries on ultrasound, once other causes are excluded.
Can PCOS be treated?
Yes — symptoms are managed with lifestyle changes and medication, and fertility support is available. Early diagnosis helps.
Evidence-based · last reviewed July 2026