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Men's Health (cont.)

Male Sexual Development

  • Puberty (sexual development to become fertile or sperm-producing) in males usually begins between the ages of 11 or 12 through 16, and is commenced by multiple factors including genetic triggers, hormonal surges (testosterone), and other factors that are not clearly understood.
  • Usually, over a period of 6 months or so, the testicles and penis begin to enlarge, then pubic and armpit hair begin to develop.
  • Next, the voice becomes deeper and the musculature becomes thicker.
  • Although facial hair is the last obvious change, most males also begin a growth spurt during puberty that comprises about 18% of their final adult height.
  • Parents or caregivers of males that fail to develop these signs of puberty should initially seek advice from the pediatric doctor or pediatric endocrinologist.
Medically Reviewed by a Doctor on 6/23/2015

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