Answer (1 of 15): There is no one "average" bra size for a 21-year-old, as breast size and shape can vary greatly from person to person. However, according to a study published in the International Journal of Fashion Design, Technology, and Education, the most common bra size for women in the Uni
What is the average cup size of 21-year-old girls? - Quora
Is 36B an average bra size for a 21-year-old? - Quora
Is a 36D bra a medium or large bra? - Quora
Is 34C bra size big for a 17-year-old? I don't like how big my
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Is a 36b bra size considered small/average for a 26 year old
I wear a 32D bra size. Why does it look so small? - Quora
Is it normal that I've had the same bra size since I was 8? I'm
Is a 36B bra size small, medium, or large? - Quora
Does having a bra size of 34C mean your breasts are small, medium
Would you change the bra sizing system? Why or why not? - Quora
What are the best bras for a 36C? - Quora
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