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Endocrinology Gynaecology A

Rotterdam PCOS Criteria

Rotterdam 2003 diagnostic criteria for Polycystic Ovary Syndrome. Requires 2 of 3 criteria after exclusion of other aetiologies.

Score interpretation

PCOS Criteria Not Met 0

Fewer than 2 of the 3 Rotterdam criteria.

→ PCOS not diagnosed; investigate other causes of the symptoms. Adolescents with features but not meeting criteria: reassess by 8 years after menarche.

Criteria Met — Exclude Other Causes First 1

2 or more Rotterdam criteria, but other causes have not yet been excluded.

→ Exclude thyroid disease, hyperprolactinaemia, non-classic congenital adrenal hyperplasia (17-OHP), Cushing's syndrome and androgen-secreting tumours before diagnosing PCOS.

PCOS (Rotterdam Criteria Met) 2

2 or more Rotterdam criteria after exclusion of other causes.

→ Assess metabolic risk (weight, BP, glucose/HbA1c, lipids) and mental health; lifestyle, combined oral contraceptive pill, metformin and fertility input as indicated (2023 international guideline).

Interpretation bands for the PCOS Rotterdam. Apply clinical judgement and local guidance.

References

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.