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Though boys typically begin puberty between the ages of 9-14 (commonly ends at the ages between 16-18) and the changes of puberty follow a pattern, every boy develops at his own pace. If you want to know if you have hit puberty, just follow these steps.
Changes in Boys. Boys tend to show the first physical changes of puberty between the ages of 10 and 16. They tend to grow most quickly between ages 12 and 15. The growth spurt of boys is, on average, about 2 years later than that of girls. By age 16, most boys have stopped growing, but their muscles will continue to develop. Other features of puberty in boys include: The penis and testicles increase in size.