ScienceContemporaryglobalhigh confidence

The average time to diagnosis of endometriosis is between 4 and 12 years.

Notes on verification

WHO fact sheet states this range directly; multiple independent systematic reviews and studies corroborate overlapping ranges, with variation attributable to methodology and population differences rather than contradiction. [tier=gold indep_score=1.0 clusters=5 claim_tier=notable | framework convergence=partial (upstreams: various national and regional cohort/cross-sectional studies compiled in systematic reviews (e.g., De Corte et al. 2025 BJOG systematic review, medRxiv scoping review 2024)) — publishers independent, evidence may not be | kind=empirical eligibility=medium]

Sources