Learn about the stages of puberty and find out the average penis size of boys 10 to 18 to determine whether or not you should be concerned.
How does puberty affect penis size? Puberty is actually the second time in your life when your penis goes.
Some boys start puberty around 9 and others don't start until they are 15. Usually by the end of puberty, a guy's penis has reached its expected size. Puberty.
The first change that is usually seen in puberty is an increase in the size of the testes. After the testes begin to enlarge, the penis will start to grow in size and.
Penis growth starts in puberty and completes between ages 16 and 21. The vast majority of men reach normal penis size by the late teens.