Scientists uncover why period pain strikes – and why painkillers fail
NCT ID NCT04145518
First seen Jan 05, 2026 · Last updated Apr 30, 2026 · Updated 13 times
Summary
This study looked at 183 women to understand why menstrual cramps happen and why some pain relievers don't work for everyone. Using MRI scans, researchers identified different types of uterine pain, such as those linked to muscle activity or poor blood flow. They also tested how naproxen affects these pain types. The goal is to help doctors diagnose and treat period pain more effectively in the future.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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NorthShore University HealthSystem
Evanston, Illinois, 60201, United States
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