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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.
How is delayed puberty in boys defined? Boys can start puberty at a wide range of ages, with 95% starting between the ages of 9 and 14, so we consider puberty delayed when it has not started by age 14. The earliest sign of puberty in boys is enlargement of the testicles, followed by growth of the penis and pubic hair.