Your body controls the hormones that grow breasts.
Breast development in girls starts between the ages of 7 and 13.
It depends on the weather, diet, exercise, sleep, etc. It should grow about a quarter to half an inch per month.
They grow in a year
They grow around a foot a year.
1 year
You have to eat alot of junk milk and water and exercise and squeeze it with your forearm
38-45 mph
nine to ten inches
about 1 inch a year
1 Year +
eat more
i dont think big at all? probably none, like my nine year old sister. i dont think i got breasts until i was 11 or 12!