probably no boobs at all and completely depends on her weight, differs from person to person.
Diet
90 to 115
160-170 lbs
Girls please do not worry about your weight at your age because it is not important what is really important is your true inner beauty.
Approx. 145 lbs.
You shouldn't be worried about weight at 13.
i think about 130 or so
If you're 5 foot and weight that much, you should put on some more pounds.
You should weight about 100-120 lbs at 5 feet tall.
105 for girls and i think 110 for boys
healthy is around 101-135.
weight