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This varies for each woman. Some can be as little as 3 days, with only light bleeding on the third day. Some women last a week or more. There are even women who bleed all month long, what's called spotting.

Girls who are just starting to menstruate may find that they'll vary until their bodies get used to it. It may take a few years, even, until they're on a regular cycle that they can recognize. Birth Control can help in this situation and can create a regular cycle. (It may even help relieve cramps!) I would also say that if you get a period then you should treat it very carefully and you should ask your mom what a period is.

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14y ago

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