Girls develop breasts so when they have a baby, they are able to breastfeed. During pregnancy the breasts get larger and fill with milk to feed the baby. Those are the main reasons girls develop breasts.
Yes, hormones are what make a woman develop breasts during and after puberty.
Estrogen the hormone found in woman are the cause of breasts, and you develop breasts during or after puberty, when your hormones are at their highest peek.
Girls develop breasts so when they have a baby, they are able to breastfeed. During pregnancy the breasts get larger and fill with milk to feed the baby. Those are the main reasons girls develop breasts.
Hormones
From the time your breasts begin to develop, it should take two to three years to completely develop, however some girls do develop slower or faster than that.
It basically are fancy words for "when your boobs/breasts are growing".
Typically, your breasts start to develop about 2 years before your period begins.
Girls develop breasts due to the hormones in their body. Usually, breasts are developed at the age of 10-13 They have different hormones to boys, which is why boys dont have breasts.
Genetics
your breasts will probably stop growing by age 25 but usually before that
A girl's breasts are usually fully developed by the late teens to 20s.