When Does Testosterone Kick in for Boys? A Comprehensive Guide

Discover when boys experience testosterone surges during puberty and the physical changes that follow.

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Testosterone typically kicks in for boys during puberty, starting around ages 9-14. This hormone surge triggers physical changes such as increased muscle mass, deepening of the voice, and growth of facial and body hair. Every individual develops at their own pace, so the onset and progression of puberty can vary.

FAQs & Answers

  1. What age does puberty start in boys? Puberty typically begins in boys between the ages of 9 and 14.
  2. What are the signs of increased testosterone in boys? Signs include increased muscle mass, voice deepening, and the growth of body and facial hair.
  3. How long does puberty last for boys? Puberty in boys generally lasts between 4 to 6 years, but this can vary for each individual.
  4. Are there any health concerns related to testosterone in boys? While testosterone is normal during puberty, consult a doctor if you have concerns about hormonal development.