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How Will You Know When Your Son Goes Through Puberty?

author image Zach Cooper
Since 2005, Zach has been a contributor to top fitness magazines such as "Men's Health." An American College of Sports Medicine Certified Personal Trainer, and a Precision Nutrition Certified Nutritionist, Zach has gone on to cultivate his love for fitness by helping others lose fat, build muscle, and improve their overall health. Zach received his Bachelor of Science degree from the University of Minnesota.
How Will You Know When Your Son Goes Through Puberty?
A father talking to his son on the grass. Photo Credit: Thinkstock Images/Stockbyte/Getty Images

Puberty is often a tumultuous time for both teens ans their parents. Numerous mental and hormonal changes are taking effect during puberty, changing your son into an what may seem like an entirely new person. Fortunately, by paying attention to a few distinguishable attributes, you can become aware of when your son is beginning to go through puberty and can prepare yourself accordingly.

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One of the most obvious signs that your son is going through puberty is an immense amount of physical growth. During puberty your son will gain more height and weight than during any other time of his life, and growth spurts are a very good indication that puberty is beginning. According to “The Ohio State University Medical Center”, it's common for a male to gain as much as 65 lbs.or 12 inches in height during puberty.


Another accurate sign that your son is going through puberty is a change in his voice. Male voices begin to slowly deepen over time as a result of puberty’s effects on the larynx. During this time, it’s very common for males to experience frequent voice cracks as their voice continues to change. Towards the end of puberty, voice cracks will decrease, and your son’s voice will be much deeper.

Body Hair

An increase in the amount and type of body hair that your son has is often a sign that he's going through puberty. In particular, facial hair begins to become a major issue, and your son will likely have to begin shaving. Additionally, other areas of the body undergo significant growth in body hair, such as the chest, back, pubic area and armpits.


The on-set of puberty offers ushers in a drastic increase in libido. The brain becomes overwhelmed with an increase in testosterone during puberty, causing the adolescent male’s thoughts to turn to a more sexual nature at times. According to Dr. Louann Brizendine in her book “The Male Brain”, sexual thoughts arise in the typical male adolescent’s mind at least once every couple minutes. If your son suddenly begins taking a new interest of members of the opposite sex, this is a strong sign that he is beginning to go through puberty.

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