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Premature adrenarche is the most common cause of the early appearance of pubic hair ("premature pubarche") in childhood. In a large proportion of children it seems to be a variation of normal development requiring no treatment. However, there are three clinical issues related to premature adrenarche.
Congenital adrenal hyperplasia due to 3β-hydroxysteroid dehydrogenase deficiency is an uncommon form of congenital adrenal hyperplasia (CAH) resulting from a mutation in the gene for one of the key enzymes in cortisol synthesis by the adrenal gland, 3β-hydroxysteroid dehydrogenase (3β-HSD) type II ().
Even with adrenal suppression, many of these children will have already had central precocious puberty triggered by the prolonged exposure of the hypothalamus to the adrenal androgens and estrogens. If this has begun, it may be advantageous to suppress puberty with a gonadotropin-releasing hormone agonist such as leuprolide to slow continuing ...
CDGP is a conditions characterized by an extreme variation from the normal timing of puberty. Both gonadarche and adrenarche are delayed in this case, resulting in some children developing later than others. There is a delay in the development of the reproductive organs and adrenal glands seen in children with CDGP.
Late onset congenital adrenal hyperplasia (LOCAH), also known as nonclassic congenital adrenal hyperplasia (NCCAH or NCAH), is a milder form of congenital adrenal hyperplasia (CAH), [1] a group of autosomal recessive disorders characterized by impaired cortisol synthesis that leads to variable degrees of postnatal androgen excess.
The term is used with several slightly different meanings that are usually apparent from the context. In its broadest sense, and often simplified as early puberty , "precocious puberty" sometimes refers to any physical sex hormone effect, due to any cause, occurring earlier than the usual age, especially when it is being considered as a medical ...
Persistent adrenarche syndrome is a cutaneous condition seen typically in thin young women who report great psychological and physical stress in their lives. [ 1 ] See also
An advanced bone age is common when a child has had prolonged elevation of sex steroid levels, as in precocious puberty or congenital adrenal hyperplasia. The bone age is often marginally advanced with premature adrenarche, when a child is overweight from a young age or when a child has lipodystrophy. Those with an advanced bone age typically ...