Id say anywhere from 30A-36B
By worken out the abs up there or pills
size 8-9Answer4 AnswerI'm a size twelve in women's,and yes,I'm twelve.
I am a 11 year old girl and I have no boobs. So really the average size is none. I only have breast buds.
34
32A or 34A would be average bra size for a 12 year old girl.
34B
b or c
1 cm
Its depend upon their body type..
The average breast size would probably be a B. but everyone's different . People start puberty before others do, and some people grow faster.
The average size is a 32 A or 34 A but if you are bigger or smaller its just how your body is growing
probably about 4 to 5 and a half ft