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Teen Health

Puberty Directory

Puberty usually begins in girls between ages 8-13 and in boys between 10-15. In girls, normal changes include breast development, body hair growth, and starting your first period. In boys, puberty brings about changes such as genital growth, body hair growth, increase in height, and a deeper voice. Follow the links below to find WebMD's comprehensive coverage about what puberty is, what to expect for boys and girls, what to do about early puberty, and much more.

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Thumbnail: Your Daughter’s First Period: How to Help Her Be Ready

Your daughter’s first period can be a confusing time for her -- and for you. Here’s how you can make sure you’re both ready.

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