human chorionic gonadotropin(redirected from alpha-HCG)
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human chorionic gonadotropin
n. Abbr. HCG
A hormone produced by the placenta that maintains the corpus luteum during pregnancy.
hu′man chorion′ic gonadotro′pin
1. a gonadotropic hormone that stimulates the production of estrogen and progesterone: its presence in blood or urine is an indication of pregnancy.
2. a commercial form of this substance, used in the treatment of testicular or ovarian disorders.Abbr.: hCG
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|Noun||1.||human chorionic gonadotropin - hormone produced early in pregnancy by the placenta; detection in the urine and serum is the basis for one kind of pregnancy test|