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Living with Central precocious puberty

A condition that causes puberty to start earlier than usual in girls and boys.

Understanding Central precocious puberty

Central precocious puberty is a condition that causes early sexual development in girls and boys.

Puberty normally starts between ages 8 and 13 in girls and ages 9 and 14 in boys. With this condition, girls show signs before age 8 and boys before age 9. Signs include pubic and underarm hair, a growth spurt, acne, and underarm odor. Girls also develop breasts and start periods. Boys have growth of the penis and testes.

Signs & symptoms

GARD doesn't list a separate symptom list for this condition. Its summary describes these signs:

  • Pubic and underarm hair
  • A rapid growth spurt
  • Acne
  • Underarm odor
  • Breast growth and periods in girls
  • Growth of the penis and testes in boys

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include hormone specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
Hormone specialists (endocrinologists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with rare disease patient organizations for support
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
What tests can find out why puberty started early?
What treatment options are there?
How might early puberty affect my child's final height?

Quick facts

GARD doesn't describe a cause for this condition yet.

Endocrine

Also known as: cpp; gonadotropin-dependant precocious puberty; gonadotropin-dependent precocious puberty; precocious puberty, central

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Central precocious pubertyGARD ID 16546 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Central precocious puberty.

Explore the Central precocious puberty blog

Explore research for Central precocious puberty

Explore actively recruiting Central precocious puberty studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Central precocious puberty with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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