I'm 14 and have DD cup boobs. It's genetic

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How do some very slim girls manage to retain a natural C or D cup? - Quora

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Is it normal for a 12 year old to be a D cup? - Quora

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I'm 14 and have DD cup boobs. It's genetic

Japanese women's breast size boasts 40 years of continued growth - Japan Today

My 14 year old girlfriend wears D sized bras, is that big? - Quora

What Causes Large Breasts?

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As a 13-year-old, how can I increase my chances of getting a D cup (I'm an A cup at the moment)? - Quora