A member asked:

What is the average size of a 21 yr old boy testicleand at what age they stop growing in size.doesthe size ofpenis stop growing at 21 or vary in years?

A doctor has provided 1 answer

Dr. Scott J. Wolfson answered

Specializes in Pediatrics

Done growing: Testicle size can vary but on average about the size of a walnut. At 21 yrs old everything should be at its full size.

Answered 9/28/2016

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A member asked:

What is the average size of a 21 yr old boy testicleand at what age they stop growing in size.doesthe size ofpenis stop growing at 21 or vary in years?

A doctor has provided 1 answer

Dr. Scott J. Wolfson answered

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