why girls had periods??
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Answer: A period happens because of changes in hormones in the body. Hormones give messages to the body. These hormones cause the lining of the uterus (or womb) to build up. This gets the uterus ready for an egg (from the mom) and sperm (from the dad) to attach and grow into a baby.
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Answer:
what kind of question is this?
Explanation:
because if we don't get periods we wont be pregnant.
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