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First of all, let me clarify if you are indeed a girl, and not some nosy boy. Assuming the latter, a girls period is when her body is preparing for having children one day. When a girl gets her period on the onset of

puberty, she is capable of getting pregnant. The body releases an egg in her ovaries and the egg travels down the Fallopian tube into her uterus. To prepare for possible fertilization of that egg (sperm released during sex that, when meets with an egg in her vagina, creates a baby), the uterus builds up a lining of blood and tissue. If the egg is not fertilized within a few days, the

body will shed that lining through and out a

girls vagina, completing the menstrual cycle. Girls get periods once a month, normally at the same time each month, and they can last

anywhere from 3-7 days.

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Jacky Farrell

Lvl 10
4y ago

What else can I help you with?