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Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Pubarche is the part of puberty which is the result of the action of testosterone.

The features include:

  • penile enlargement, firstly by length and then by circumference
  • nocturnal, REM sleep erections
  • hair growth on the chest, face and legs
  • voice changes - decreasing pitch
  • increased muscle mass
  • increased haemoglobin secondary to increased red blood cell mass

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