What's Up Docs?
What's Up Docs?

How can we better understand endometriosis?

February 24, 2026 • 29m

Summary

⏱️ 8 min read

Overview

Dr. Chris and Dr. Zand explore endometriosis, a debilitating gynecological condition affecting one in ten women of reproductive age in the UK. They discuss the shocking eight-year average diagnostic delay, the underlying biology of wayward endometrial cells, and how this condition exemplifies the systematic neglect of women's health in medical research and practice. Expert guest Dr. Chi Ezefula provides crucial insights into symptoms, diagnosis challenges, and the structural failures that prevent timely care.

The Diagnostic Crisis in Endometriosis

The episode opens with a staggering statistic: it takes an average of eight years for someone in the UK to receive a definitive endometriosis diagnosis, with some cases taking up to 25 years. This delay represents a structural failure in both healthcare and education systems, where period pain is normalized and people don't know what symptoms warrant medical attention. The lack of awareness about what constitutes abnormal menstrual experiences creates a massive barrier to seeking help.

  • One in ten women of reproductive age in the UK have endometriosis - approximately 1.5 million people, similar to type 2 diabetes or asthma prevalence
  • Average diagnostic delay is eight years in the UK, with some cases taking 25 years to confirm
  • Pain in female bodies is culturally normalized, making it difficult for people to recognize when symptoms are abnormal
  • Young people lack education about what is normal versus abnormal in menstrual cycles
" It staggers me every time I think about it, that such a common disease, a common condition, takes in the UK, we think, on average, about eight years. On average, for a person with endometriosis to have a definitive diagnosis. "
" Pain in a female body is quite normalized in our culture. So period pain is deemed normal. And for example, there's pain during childbirth is considered normal. So the degree to which discomfort is unacceptable is not always clear to people who experience it and also to doctors who are consulting about it. "

Understanding the Biology of Endometriosis

Dr. Ezefula explains that endometriosis occurs when cells similar to those lining the uterus grow outside the womb - in the pelvic cavity, on organs like ovaries, bladder, and bowel, and even in distant locations like lungs, muscles, and brain. These cells respond to hormonal cycles, growing and then degrading, causing inflammation, pain, and scarring. The actual mechanism of how cells migrate remains theoretical, with retrograde menstruation being one hypothesis, but the fundamental biology remains poorly understood due to lack of research investment.

  • Endometriosis cells are stem cells that develop into endometrial tissue outside the uterus, growing on organs throughout the pelvic cavity
  • Retrograde menstruation (backward flow through fallopian tubes) is one theory for how cells escape the uterus
  • Endometriosis can occur anywhere in the body - lungs, muscles, bone, nerves, joints, and even the brain
  • A third theory suggests maternal hormones at birth may cause infant menstruation, seeding cells that become symptomatic at puberty
" We don't actually know. There are theories and some quite credible. It's clear that in people that have endometriosis and people that don't have endometriosis, those cells are found in the pelvis and abdomen. "

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