Since kindergarten, or even more, since birth, we differ between each other very much. The hair and skin color, but also, the weight and size, though we are all at the same age. Even more, some twins are different in weight and size when they’re still children!
So, what makes these differences? Later on, in puberty, we kind of “compete” among each other about the feminine and masculine characteristics… like who has bigger breasts, which guy has more muscles etc. this is all due to many factors, but mostly, genetics and the work of the hormone glands.
HERE ARE SOME FACTORS THAT MOSTLY AFFECT THE CHANGES IN THE BODY DIFFERENTLY, IN THE SAME AGE:
THE FAMILY HISTORY
Your genes are more likely to predict your breast baseline, but not your size as well. “Women often are born with their breast size, but it can change in their lifetime,” states Nazanin Khakpour, M.D.,a surgical oncologist specializing in breast cancer at Moffitt Cancer Center.