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Why do men have breast buds and what are they made of?

4 doctors weighed in
Dr. Allen Seely
General Practice
3 doctors agree

In brief: Breast tissue

During puberty, adolescent males develop transient bilateral breast buds (made of breast tissue).
Breast tissue is hormonally senstive so it is likely to change during the time of puberty. If a 'breast bud' persists and is unilateral (one side only)-- it should be evaluted. Young men may develop breast cancer (usually those with brca1/2 gene abnormalities).

In brief: Breast tissue

During puberty, adolescent males develop transient bilateral breast buds (made of breast tissue).
Breast tissue is hormonally senstive so it is likely to change during the time of puberty. If a 'breast bud' persists and is unilateral (one side only)-- it should be evaluted. Young men may develop breast cancer (usually those with brca1/2 gene abnormalities).
Dr. Allen Seely
Dr. Allen Seely
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