Puberty and menstruation are triggered by estrogen, of which high quantities are released by the Pituitary gland in the brain.
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.
You have a growth spurt before puberty when you are age 7-9. And you will have your next growth spurt during puberty, usually age 13-15.
girls start about the age of 10 and boys start an 11 12 13 just depends Menstruation and puberty are inextricably links in females. The onset of the menses is also the onset of puberty.
It's different for everyone. During puberty, for most girls.
Most girls start puberty around the age of 10 or so.
Yes. Boys and girls start puberty at different age rates.
Some do. Recently some people have been starting puberty as early as 9 or 10 years old. This mostly occurs in girls, but can also be found in some males. The normal age to begin puberty is during the teen years. But it is nothing unusual to start puberty slightly before then.
Kids start puberty in different ages. Males start at the age of 12-13. while females start at the age of 11-12
Puberty is when the body changes from that of a child to that of an adult, this starts before menarche because menarche represents the point where a girlsbody is starting to reach a point where it is mature enough to get pregnant. The body has to mature to a certain point before she can start ovulating, thus start menstruating.
Hair in various places,smelly armpits,your period,you will start to develop breasts ,and before,after, and during your period you might feel depressed.
There is not a certain age for girls to start their period. This can happen any time during puberty from the ages of 12 to 16.
because puberty starts at the age of menstruation, that is the age at which the body is developed enough to begin with the job of reproduction.
its starts at around age 8 and upwards