Unrelated: Pectoral muscles are always present, any increase during puberty is related to hormonal influence of increased testosterone production. But if no evidence of pectoral muscle raises the concern of poland syndrome a congenital absence of the pectorals muscle. Seek an evaluation.
Answered 2/28/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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