Testicular volume rapidly increases during puberty and peaks at age 30 years. Subsequently, the volume of the testes stabilizes in a plateau-like manner until age 60 years. After age 60 years, this study shows that testicular volume decreases significantly.
Why are my balls bigger sometimes?
When the testicles are too warm or too cool, the quality of the sperm they make suffers. As a result, the scrotum changes shape and size in response to temperature changes.14 mar 2019