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No they don't. some girls are just petite. I'm 14, only size 34a. i have a friend that is like 36aa or something. so yeah. and some girls don't grow boobs at all. if you're concerned, go see a doctor though.

answer: Yes, all mammals (male and female) have breasts. Some are bigger than others. Girls mature at different rates, so it may take a while for some to develop breasts.

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13y ago

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