Changes

*Appearance of body hair

*Appearance of body hair

*Development of the genitals  

*Development of the genitals  

The changes in girls' bodies during puberty usually take place during ages 8-15 years. After puberty, they have breasts and pubic hair, menstruate every month, and can get pregnant. They usually have reached full adult height. They develop breasts(a process named thelarche) from about age 9 years to age 15 years.

The changes in girls' bodies during puberty usually take place during ages 8–15 years. After puberty, they have breasts and pubic hair, menstruate every month, and can get pregnant. They usually have reached full adult height. They develop breasts(a process named thelarche) from about age 9 years to age 15 years.

In boys, it is shown by:

In boys, it is shown by:

==Time Frame==

==Time Frame==

Puberty usually starts in girls at ages 10-11 and in boys at ages 11-12.<ref>http://books.google.ca/books?id=E-n5E7oyCgoC&pg=PA296#v=onepage&q&f=false}}</ref> <ref>"pamf.org"</ref> Women usually finish puberty at ages 15-17, men at ages 16-17. The process takes different lengths of time for different people based on genetic factors and societal factors such as food supply and nutrition. The average age of the beginning of puberty has decreased measurably over time, particularly in females.<ref>[http://www.medicinenet.com/puberty/article.htm]</ref>

Puberty usually starts in girls at ages 10–11 and in boys at ages 11–12.<ref>http://books.google.ca/books?id=E-n5E7oyCgoC&pg=PA296#v=onepage&q&f=false}}</ref><ref>"pamf.org"</ref> Women usually finish puberty at ages 15–17, men at ages 16–17. The process takes different lengths of time for different people based on genetic factors and societal factors such as food supply and nutrition. The average age of the beginning of puberty has decreased measurably over time, particularly in females.<ref>[http://www.medicinenet.com/puberty/article.htm]</ref>

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== See Also ==

== See also ==

*[[Hormones]]

*[[Hormones]]

[[Category:Health]][[Category:Human Development]]

[[Category:Health]][[Category:Human Development]]