A member asked:

My son is not over weight and has a lump on his boob and would like an answer?

A doctor has provided 1 answer

? pubertal ?: About 1/2 males will undergo a transient nipple/breast enlargement at he onset of puberty. Most will resolve slowly as other hormonal changes kick in over about a year. If he's not starting puberty it could be something more worrisome.His primary doc can sort this out.

Answered 8/9/2016

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Thank

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