Classification of Female Precocious Puberty

Heterosexual Precocious Puberty
Virilizing neoplasm
Ovarian
Adrenal
Congenital adrenal hyperplasia (adrenogenital
syndrome)
Exogenous androgen exposure

Isosexual Precocious Puberty
Incomplete Isosexual Precocious Puberty
Premature thelarche
Premature adrenarche
Premature pubarche

Complete Isosexual Precocious Puberty
True isosexual precocious puberty
Constitutional (idiopathic)
Organic brain disease :
Central nervous system tumors
Head trauma
Hydrocephalus
Central nervous system infection (abscess,
encephalitis, meningitis)

Pseudoisosexual Precocious Puberty
Ovarian neoplasm
Adrenal neoplasm
Exogenous estrogen exposure
Advanced hypothyroidism
McCune-Albright syndrome
Peutz-Jeghers syndrome