The Women's Health Gap, by the Numbers
The women's health gap in data: common conditions that are slow to diagnose, and the research gap behind them.
October 12, 2025 · By The Editors, Healing Stories Network · 2 min read
The idea of a women's health gap has moved into the mainstream, supported by data showing that women's symptoms are too often dismissed, delayed, or under-researched. This post looks at some of the numbers behind that conversation.
This is a data companion piece, not medical advice. The figures describe populations and are approximate; your own health concerns deserve to be taken seriously by a clinician.
Common conditions, slow recognition
Several conditions that affect large numbers of women are notoriously slow to diagnose. Endometriosis, for example, affects roughly one in ten women of reproductive age, yet often takes years to identify.
Where the gap shows up
The gap is not confined to one area. It appears in research, where women were long underrepresented in clinical trials, leaving some treatments less well understood for them. It appears in how pain is handled, with women's pain more likely to be underestimated or attributed to stress. And it appears in diagnosis times across a range of conditions, from autoimmune diseases to heart disease, which can present differently in women and so be missed. Heart disease is a telling example: often thought of as a men's problem, it is a leading cause of death in women too, yet symptoms in women can be less typical and less readily recognised.
Two common conditions
Both endometriosis and polycystic ovary syndrome affect roughly one in ten women, and both are frequently diagnosed late.
Why the numbers matter
Part of the gap traces back to research: for much of medical history, studies were conducted disproportionately on men, leaving conditions that affect women comparatively understudied. That is changing, but slowly. The practical takeaway is encouragement to persist: symptoms that are dismissed are worth raising again, and seeking a second opinion is reasonable.
Signs of change
The picture is shifting. Research funding and dedicated women's health initiatives have grown, regulators increasingly expect clinical trials to include women, and conditions like menopause and endometriosis are discussed more openly than they were a generation ago. A wave of women's health technology and advocacy has helped push these issues up the agenda. Progress is uneven and far from finished, but the direction is encouraging, and greater awareness itself helps, both in the clinic and in knowing when to push for answers.
For supportive reading, see our companion pieces on endometriosis, living with PCOS, and menopause and perimenopause, or browse our Women's Reproductive Health collection.
About these figures: The statistics here are approximate and drawn from research estimates that vary by population and definition. Treat them as a sense of scale and consult the original sources for detail. This article is general information, not medical advice.
This article is a companion, not medical advice. Your health concerns deserve to be taken seriously; if you feel dismissed, seeking another opinion is reasonable.
The Reading Room publishes personal stories and editorial notes from our press. Everything here is companion reading — never medical advice, diagnosis, or treatment. For guidance about your own health, please speak with a qualified clinician.