A member asked:

Can you tell me when do your pectoral muscles develop during puberty?

A doctor has provided 1 answer
Dr. Steven Brown answered

Specializes in Hand Surgery

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

4.4k views

Thank

Related Questions

A member asked:

At what usual age in puberty do boys' muscles get bigger?

A doctor has provided 1 answer