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![All About Menstruation - KidsHealth](https://www.iarticlesnet.com/pub/img/site/s_29.jpeg)
All About Menstruation - KidsHealth
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日期:2024-07-29
A period is the 2 to 7 days that a girl or woman experiences menstrual flow ... But most of the time, the egg does not get fertilized, the lining is shed, and the girl or ......看更多