hCG ) is a powerful glycoprotein hormone that stimulates the release of a woan's eggs during ovulation and is produced by the developing embryo after conception and later by the placenta. HCG - Human Chorionic Gonadotropin Generic Name: Human Chorionic Gonadotropin (HCG) Brand Names: Novarel, Ovidrel, Profasi, Pregnyl, Dinaron, Endocorion, Gonacor,