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
- Endometriosis (seed:anatomy_and_medical_oddities)
- https://obgyn.onlinelibrary.wiley.com/doi/10.1111/1471-0528.17973 (corroboration)
- https://www.sciencedirect.com/science/article/pii/S1472648325006121 (corroboration)
- https://clinicaltrials.gov/study/NCT00849173 (corroboration)
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10073113/ (corroboration)
- https://www.medrxiv.org/content/10.1101/2024.01.08.24300988v1.full (corroboration)