why the breast size increases in girls at the time of puberty as compared to boys?
Asked by | 17th Aug, 2008, 01:23: PM
This is due to the action of female hormones like estrogen. Estrogen is present in females but not in males. During puberty, there is a surge in the level of estrogen, which causes breast development in females, but not in males.
Answered by | 17th Aug, 2008, 03:14: PM
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