Endometriosis Linked to Doubled Migraine Risk
A large-scale analysis reveals women with endometriosis face significantly higher odds of experiencing migraines.
Updated on Oct. 26, 2026 in Women’s Health
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New research presented at the American Neurological Association annual meeting identifies a strong correlation between endometriosis and an increased risk of migraine. The study found that individuals with the condition are more than twice as likely to suffer from chronic headaches compared to those without.
Why it matters
Understanding this comorbidity is crucial for clinicians aiming to improve diagnostic accuracy and targeted pain management for millions of women worldwide. Recognizing the connection may allow for earlier intervention in patients presenting with overlapping symptoms.
The analysis, which spanned 35 global cohorts, calculated an overall odds ratio of 2.30 for migraine in patients with endometriosis. When excluding subjects with high hormonal contraceptive usage, the adjusted odds ratio rose to 2.41.
The players
American Neurological Association
This professional society represents neurologists and neuroscientists and facilitates the exchange of research findings at its annual meetings.
The details
Researchers performed a systematic review comparing 207,675 endometriosis cases against a control group of over 12.9 million individuals. Results varied by methodology, with direct patient interviews reporting a migraine prevalence of 54 to 78 percent, while ICD billing codes showed 4.5 to 4.7 percent.
Timeline
The American Neurological Association annual meeting took place from Oct. 17 to Oct. 20, 2026.
The research findings were reported on Oct. 26, 2026.
The Big Picture
This study marks a significant addition to the clinical findings presented during the latest American Neurological Association annual meeting. The research highlights a growing move toward identifying comorbid conditions that often go under-diagnosed in women's healthcare.
Patients experiencing both conditions may now seek more integrated care plans that address both hormonal and neurological symptoms simultaneously. Recognizing this doubled risk can encourage more open communication between patients and providers regarding treatment side effects and hormonal influence.
The takeaway
Patients who have been diagnosed with endometriosis should discuss their headache frequency with a doctor to determine if their condition requires neurological evaluation. Maintaining a symptom diary can help track whether migraine episodes fluctuate alongside menstrual or hormonal cycles.
Further reading
For more information on similar research, visit the Women’s Health section.
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