As I understand it uterine contractions cause period cramps, so why do stomach contractions during digestion not hurt?
In: Biology
There’s a bubble of air in the stomach that provides a cushion, but no such bubble exists in the uterus.
The uterus has more sense nerves because of their role in giving birth. The pain is not something that would be acceptable after every meal so the evolutionary pressure is pretty clear.
This isn’t really a direct answer, but stomach contractions can absolutely hurt. That’s what a stomach ache is.
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