What is the average bra size for a teenage girl? Still, from the studies done, it is not surprising that the average bra size for women in America is that of a 15-year-old, that is, a 36C.
Is it normal for a 15 year old to have big breast?
The breasts begin to develop at the start of puberty, around age 9 or 10. But this can vary, and some girls develop later or earlier. One breast larger than the other (asymmetry). Its also common and normal for girls and women to have one breast that is larger than the other.
What is the average breast size for 15 year olds UK?
Bra sizesAgeBra sizeAge 9N/AAge 10 - 1130A /30BAge 12-1332A / 32BAge 14-1534A/34B