How come girls have periods?

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5 Answers

Shane Finn Profile
Shane Finn answered
Really? You don't know?

It's because of their genetic make up, having to carry a baby and all means they needs to continue having periods so the the uterus is ready for the next egg and so on, otherwise there would just be a continual build up of blood and would break the inner lining of the womb.
Bri Goodman Profile
Bri Goodman answered
Bcuz they're the ones who have babies. Gross conversation :P
Tammy Keller Profile
Tammy Keller answered
It's all about hormones and getting a young lady ready for childbirth later in her life!

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