Precocious puberty signs and symptoms include development of the following before age 8 in girls and before age 9 in boys.

Signs and symptoms in girls include:

  • Breast growth
  • First period (menarche)

Signs and symptoms in boys include:

  • Enlarged testicles and penis
  • Facial hair (usually grows first on the upper lip)
  • Deepening voice

Signs and symptoms that can occur in boys or girls include:

  • Pubic or underarm hair
  • Rapid growth
  • Acne
  • Adult body odor

When to see a doctor

Make an appointment with your child's doctor for an evaluation if your child has any of the signs or symptoms of precocious puberty.

Jan. 02, 2014