Mayo Clinic Health Manager
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By Mayo Clinic staffSigns and symptoms of precocious puberty include development of the following before age 8 in girls and before age 9 in boys.
Girls:
- Breast growth
- First period (menstruation)
Boys:
- Enlarged testicles and penis
- Facial hair (usually grows first on the upper lip)
- Deepening voice
Both girls and boys:
- 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.
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