Precocious puberty (Pubertas praecox)

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Precocious puberty

Alternate Names : Pubertas praecox

Definition

Puberty is the time during which sexual and physical characteristics mature. Precocious puberty is when these body changes happen earlier than normal.

Overview, Causes, & Risk Factors

Puberty usually begins between ages 10 and 14 for girls, and ages 12 and 16 for boys. Some African American girls may start puberty earlier, around age 9.

The exact age a child enters puberty depends on a number of factors, including family history, nutrition, and gender.

Often there is no clear cause for precocious puberty, but some cases are due to changes in the brain, genetic problems, or certain tumors that release hormones. These conditions include:

Congenital adrenal hyperplasia
Disorders of the testicles, ovaries, or adrenal glands
Hypothalamic hamartoma
McCune-Albright syndrome
Tumors that release a hormone called hCG

Pictures & Images

Endocrine glands

Male and female reproductive systems

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Precocious puberty : Definition
Precocious puberty : Overview, Causes, & Risk Factors
Precocious puberty : Symptoms & Signs
Precocious puberty : Diagnosis & Tests
Precocious puberty : Treatment
Precocious puberty : Complications
Precocious puberty : Calling Your Health Care Provider
Precocious puberty : References
Precocious puberty : Pictures & Images
Endocrine glands
Male and female reproductive systems

Review Date : 8/2/2009
Reviewed By : Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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