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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.
Boys develop and mature at different rates. Even if your friends have started to mature before you, don't worry; it's totally natural and there is nothing to be concerned about. Although the average age at which boys start puberty is 12 to 13 it can start at anywhere from 9 right up until 16.Puberty lasts around 5-6 years on average for boys. Most boys have finished puberty by the time they are 18-20.There are many factors involved and remember everyone is different.emales generally start puberty from the age of 9 -14 years old. however puberty varies in every case. Typically, girls start noticing the changes that occur with puberty be â¦ tween the age of 9 and 11.