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Early puberty (precocious puberty)

Pubertas praecox · Předčasná puberta

What it is

Puberty starting before 8 in girls or 9 in boys — usually just early in girls, more often a cause to find in boys.

Symptoms & signs

  • Breast development or a growth spurt before 8 (girls)
  • enlarging testes before 9 (boys)
  • pubic hair
  • early periods
  • adult body odour and acne

🚩 Get help if…

  • call 112 / 911 now Headaches, vomiting or vision changes with early puberty
  • see a doctor soon Breasts before 8 in a girl or testicle growth before 9 in a boy
  • see a doctor soon Very fast growth in height
  • see a doctor soon Periods starting before 10

Where it strikes

Medical treatment

  • Bone-age X-ray and hormone tests
  • MRI of the brain
  • GnRH analogue injections to pause puberty
  • treat the cause

Natural & lifestyle

  • Healthy weight
  • less exposure to hormone-disrupting chemicals

Emerging & experimental

  • Kisspeptin research
  • longer-acting implants

Alternative, off-label & anecdotal

Approaches used outside the guidelines, with what their supporters report and what testing has found so far.

  • Avoiding plastics and soy — anecdotal; the evidence is weak anecdotal / traditional
  • Weight loss in overweight girls — may slow early puberty early / small studies
  • Herbal hormone balancers — untested anecdotal / traditional

ICD codes