I feel like you’re a man who doesn’t really understand what a period is, or what female anatomy really is. But I’ll simplify it.
A period is the shedding of the uterine lining after a fertilized egg fails to embed itself in it. So in order to get all of the lining out, the uterus needs to contract to push all of it out. That’s an over simplified way of putting it, but that’s essentially what happens.
It’s governed by hormones and genetics, and some women have it worse than others, and it tends to be worse during different parts of the cycle.
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