Puberty and Adolescence
Female Puberty

Why does menstruation start during the age of puberty and not before it?

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Wiki User
2016-02-01 10:22:32

Puberty and menstruation are triggered by estrogen, of which

high quantities are released by the Pituitary gland in the


That's a bit like asking why it doesn't get dark until sunset.

Puberty is the name for the phase when the body is growing

big/mature enough to be able to become a parent. And for

girls/women, they can't become parents unless they're menstruating.

So for girls/women puberty and menstruating are tied together.

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