Unless you're a boy, it's a natural body function. Sometimes, it's embarrassing when it stains through your clothing, but it happens to every girl at least once. No need to get embarrassed by it. The ones that poke fun of you are the ones that absolutely do not get what it means to be a woman.
In addition, if you're having unprotected sex, having your period usually means you're not pregnant. So, for some, it's a welcome relief when it starts.
Not really it happens to most women
if you are a boy...
RUN AWAY RUN FOR YOUR LIIIIIIIIIIIIIIIIIVEEEEEEEES
Of course not! Every girl has it, and we don't think twice about it if we find out that another girl does.
You shouldn't be embarrassed about having one. (If you start your period all of a sudden and it can be seen on your pants, then yeah, it's normal to be embarrassed.) If you are embarrassed, then try talking to another female about it.
No its a part of being a girl.
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