Skip to content
Nobody Warned US

The numbers

Statistics they do not put on the waiting-room poster

Endometriosis is common. Pelvic floor disorders are common. Diagnostic delay is measured in years. Overlap is the rule. These figures are cited so you can carry them into a room that is still calling your chart “mild.”

  1. 1 in 10

    reproductive-age women with endometriosis

  2. 7–10

    years

    average wait to an endometriosis diagnosis

  3. 1 in 4

    U.S. women with at least one pelvic floor disorder

  4. 20.3%

    of IC/BPS patients also report endometriosis

16 figures

1 in 10

reproductive-age women with endometriosis

WHO estimates endometriosis in about 10% of people of reproductive age — roughly 190 million worldwide. It is not rare. It is rarely taken seriously on the first visit.

World Health Organization fact sheet · 2025

Source

7–10years

average wait to an endometriosis diagnosis

Cohorts keep landing in the same range. WHO now cites 4–12 years. That is not a patient who “didn’t advocate.” It is a system that still calls disabling pain a heavy period.

De Corte et al., BJOG; WHO · 2025

Source

190M

people living with endometriosis worldwide

A disease this common still has no reliable non-invasive diagnostic test in routine care, and first-line drugs are still mostly ovarian suppression.

World Health Organization · 2025

Source

1 in 4

U.S. women with at least one pelvic floor disorder

Nygaard (2008) found 23.7% of U.S. women reported urinary incontinence, fecal incontinence, and/or symptomatic prolapse. Wu (2014) put it at 25%. Nearly a quarter is not a niche problem.

Nygaard et al., JAMA; Wu et al., 2014 · 2008

Source

1 in 5

lifetime chance of surgery for prolapse or incontinence

By age 80, about one in five women will have an operation for pelvic organ prolapse or urinary incontinence. The milder grades that never make it to an OR still empty badly and drop a cervix.

Wu et al., pelvic floor disorder prevalence trends · 2014

Source

9.7% → 50%

pelvic floor disorders from ages 20–39 to 80+

Prevalence is not only “after kids, after menopause.” About 1 in 10 women 20–39 already report a pelvic floor disorder. By 80 it is half. Young is not a reason to skip the exam.

Nygaard et al., JAMA 2008 · 2008

Source

20.3%

of IC/BPS patients also report endometriosis

In 533 people with IC/BPS, one in five had a history of endometriosis — and those patients were younger, with more pelvic floor dysfunction, fatigue, migraine, and widespread pain. Not a bladder-only disease.

Namugosa et al., 2024 · 2024

Source

higher IC/BPS risk in people with endometriosis

A Taiwanese cohort found endometriosis patients were about four times as likely to later meet criteria for IC/BPS. If your periods were a crime scene and now your bladder is on fire, that is a known pairing — the “evil twins” of pelvic pain.

Population cohort, summarized in endometriosis / IC overlap literature · 2018

Source

3.3–8M

U.S. women estimated to meet IC/BPS symptom criteria

The RAND Interstitial Cystitis Epidemiology (RICE) study put the range at about 2.7% to 6.5% of U.S. women. Most of them were not sitting in a urology clinic with a name for it yet.

RICE study / NIDDK; ICA · 2011

Source

Grade A

AUA evidence for manual pelvic floor PT in IC/BPS

It is the only IC treatment the American Urological Association has given an A. First-line, when the floor is tender. Kegel strengthening is explicitly to be avoided in that setting. Cultures-and-a-shrug is not a guideline.

AUA IC/BPS guideline, amended 2022 · 2022

Source

2.9%

U.S. women who report symptomatic prolapse on survey

That is the JAMA 2008 number for a bulge they will admit to on a questionnaire. It does not count the grade-1 sigmoidocele, the internal intussusception, or the cervix that only drops after a bowel movement — the findings that need defecography, not a rest exam.

Nygaard et al., JAMA 2008 · 2008

Source

74%

of women with incontinence wait a year or more to seek help

Nearly half wait three years. Time, embarrassment, and the belief that leaking is normal after childbirth do the same job that “it’s just a heavy period” does for endometriosis.

Care-seeking delay literature in pelvic floor dysfunction · 2014

Source

4–12years

WHO’s cited range for endometriosis diagnostic delay

The spread is the story: depending on the country and the clinic, you can lose a decade. Symptoms often persist or recur after treatment starts. Delay is not cured by finally getting a name.

World Health Organization, updated 2025 · 2025

Source

12.8%

of women who have never given birth still report a pelvic floor disorder

“You haven’t had kids, so your floor is fine” is not epidemiology. Nulliparous women in the JAMA sample were not at zero. Childbirth raises risk. It is not the admission ticket.

Nygaard et al., JAMA 2008 · 2008

Source

0

blood or menstrual biomarkers ESHRE recommends to diagnose endo

CA-125, endometrial tissue, menstrual fluid — the 2022 guideline says do not use them to diagnose or exclude endometriosis. A normal lab does not mean a normal pelvis.

ESHRE endometriosis guideline 2022 · 2022

Source

15.7%

of U.S. women with urinary incontinence in the JAMA sample

Urinary incontinence was the most common pelvic floor disorder in that survey — and IC/BPS urgency-frequency is a different animal that still gets filed under “leaks” or “drinks too much water.”

Nygaard et al., JAMA 2008 · 2008

Source