Below is a general time line for physical changes that occur during puberty for boys: While each male adolescent is different, the following are average ages when puberty changes may occur:. Changes with puberty sexual maturation may occur gradually or several signs may become visible at the same time. Voice changes may happen, as the voice gets deeper. The following are some of the issues that may be involved with your adolescent during these years:. Are Steroids Worth the Risk? Around this time you may have to start taking a shower every day, and also using deodorant or antiperspirant.
Hair begins to grow under your arms.
Teenage Boys' Hormones
Back to top Growing Puberty can also cause you to go through a growth spurt, which results in an average growth of about 4. When the penis is fully developed, pubic hair will have grown like an upside down triangle around your penis and will probably have spread to your thighs as well. This is a temporary condition and will improve over time. This is a normal part of puberty. It can be tough if you're one of the last to change too. This is when the penis becomes hard and erect because it is filled with blood. Your body changes a lot during puberty.