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A 19-year-old male asked:

Do testosterone levels relate to overall penis growth during puberty or just the speed of growth?

1 doctor answer1 doctor weighed in
Dr. Clarene Cress
Specializes in Pediatrics
Penile size is: largely dependent on genetics, and not on specific testosterone levels. The onset of puberty for boys is quite variable, but once the testicles start to make testosterone, the speed of growth of the penis seems to be fairly consistent from boy to boy and takes about 3 years from onset of growth.
Last updated Dec 11, 2017

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