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you develop them when you start puberty you usually grow them when you are 10 or 11 years of age

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Wiki User

14y ago
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raeanar

Lvl 5
3y ago

Anywhere from ages 9-13. The average age is 10-11.

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Anonymous

Lvl 1
4y ago

I got my breasts when I was 9.

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Q: When do breasts start growing?
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