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Because boys can't have babies ! A girls period (or menstrual cycle) is her body's process of preparing for pregnancy and childbirth. If the egg released from the ovary isn't fertilised, it's 'washed away' along with the lining of the uterus, roughly every four weeks.

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12y ago

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Can boys change girls periods?

No


When does a boy have his period?

Boys do not have periods.


Why haven't your friend had a period and he is a boy?

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Can boys tell if a girl is on her period?

no. they can't because boys don't have periods like girls do.


Why doesn't boys have periods?

Because they are not female with ovaries and a womb.


What do boys get that is like periods?

Hiya, What boys get are nothing like periods. Unfortuently girls get the hardest. They get blood, sweat and pain. Although boys do have some growing up cycle. There voices break, which they get manly voices, also the growth of the penis. But they don't get any blood release or cramps or anything to do with the periods. -Hope this helped.


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How all girls cantrol sex example boys do handpractice and girls how to cantrol?

boys leak sperm n girls have periods


Can boys get periods?

No, biologically boys do not have the reproductive organs required to menstruate. Menstruation is a process that occurs in people with a uterus as part of the menstrual cycle.


What do girls have to do that boys don't?

Girls get their periods as a sign their reproductive system is working correctly. The blood is coming from their uterus, and as boys don't have those, they don't get periods -------------------------------------------------------------------------------------------------------------------- yes but i do ask you don't put anymore questions like this on he site.


What do boys get if gurls get pieraids?

Well they get boy periods like there voice gets deeper and they start to get hair...


Why don't boys have to give birth?

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