Photos Tanner Stages Of Puberty For Girls Breasts

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Alternative Names

Pubertas praecox


Symptoms

In girls, precocious puberty is when any of the following develop before age 8:

  • Armpit or pubic hair
  • Beginning to grow faster
  • Breasts
  • First period (menstruation)
  • Mature outer genitals

Some evidence suggests that it may be normal for these changes to occur as early as age 7 in Caucasian girls and age 6 in African-American girls.

In boys, precocious puberty is when any of the following develop before age 9:

  • Armpit or pubic hair
  • Growth of the testes and penis
  • Facial...
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