Endometriosis

Endometriosis is indexed under Reproductive & Pelvic, Gynecologic. Also known as endo.

US prevalence

Estimated to affect about 10% of U.S. women; underdiagnosis means this may be an underestimate Source: NIH/NICHD, Endometriosis and Women's Health (2024). This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.

ICD-10-CM codes

N80, N80.9

Typical onset

Reproductive age

Course

progressive

Body systems

reproductive, gastrointestinal, urologic

Sex differences

Exclusively female (rare cases in males)

Racial and ethnic differences

May be underdiagnosed in Black and Hispanic women; some studies show lower surgical diagnosis rates

What this page does not establish

These figures describe populations, not individuals, and none of them is a diagnosis or a treatment recommendation. Prevalence estimates are approximate and reflect published ranges. Disparity figures are reported patterns, not causes.

Taxonomy last reviewed 2026-05-19. Each figure on the interactive page carries its own source and retrieval date, which can be later than this review.

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