The average breast size would probably be a B. but everyone's different . People start puberty before others do, and some people grow faster.
I am a 11 year old girl and I have no boobs. So really the average size is none. I only have breast buds.
13 inches
34
Between the ages of 10-12 the average size of a male brain is 1,440 grams and the average size of a female brain is 1,260 grams. The size of a nine year olds brain is only slightly smaller.
32A or 34A would be average bra size for a 12 year old girl.
About in a girls size, a 4. In a boys size, a 5.
A 4 year olds shoe size can vary. However, the average shoe size for this age is around sizes 8-10.
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..