34
That depends on the size of the girls breast and chest measurments.
I am a 11 year old girl and I have no boobs. So really the average size is none. I only have breast buds.
There ios no 'ideal breast size' for any woman, everyone coms in different shapes and sizes.
32A or 34A would be average bra size for a 12 year old girl.
There is a wide range of breast sizes among 18-year-old girls, and there is no specific average size. Breast development varies greatly among individuals due to genetics, hormones, and other factors. It is important to remember that there is no "normal" or "ideal" breast size, as all sizes and shapes are unique and normal.
There really is no “average” or normal breast size at 14 since everybody grows at a different rate. I’m 14 and I’m a 32d or a 28f. Remember that the “averages” you see online are basically bs because collecting info about breast size from kids is illegal. Also the comment about a and b being normal and c+ means the girls are chubby is body shaming and you shouldn’t listen to them ;)
Breast size varies greatly among individuals, so there is no definitive average breast size for an 18-year-old. Factors such as genetics, body weight, and hormonal influences can all impact breast size. It is important to remember that everyone's body is unique and there is no standard or "normal" breast size.
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.