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Scientists don’t actually know why period cramps hurt

Popular Science Team

created: April 23, 2025, 12:14 p.m. | updated: May 3, 2025, 12:10 p.m.

The Weirdest Thing I Learned This Week hits Apple, Spotify, YouTube, and everywhere else you listen to podcasts every-other Wednesday morning. FACT: We don’t actually know why period cramps hurtBy Kate DowneySo for context, I get severe period cramps. After all, 90% of menstruating people experience period pain. So obviously, if we’re talking about severe period pain, my question was: what’s causing it? Current studies conducted by the GyRL Lab in Evanston, IL are discovering that, in fact, everything we thought we knew about period cramps might be wrong.

3 months, 1 week ago: Popular Science