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I'm not going to be scientific here but what happens is an egg in one of your two ovaries (where eggs are kept) travels along the tube to where the baby is supposed to develop. Where the baby is suppose to develop walls are produced to help the baby grow and to protect it. But if the egg isn't fertilized by sperm during sex, the walls crumble into which looks like blood, and comes out of the vagina. This happens every month, from when you start during puberty (in your teens) till when you stop at an older age.

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12y ago
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12y ago

Because the egg was not fertilized and will now die. The lining of the uterus is shed since it was now prepared for the fertilized egg that never came, and everything is coming out. A new egg gets the chance a months later.

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14y ago

their r u eggs and if they dont get sperm from a man it will die and blead

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Q: Why do woman have period?
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A woman can have and do whatever she wants during her period.


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