<unk> s are glycoprotein hormones secreted by<unk>  cells of the anterior pituitary of vertebrates. This family includes the mammalian hormones follicle-stimulating hormone (FSH) and luteinizing hormone <unk> , the placental/chorionic<unk> s, human chorionic<unk>  (hCG) and equine chorionic<unk>  (eCG), as well as at least two forms of fish<unk> s. These hormones are central to the complex endocrine system that regulates normal growth, sexual development, and reproductive function.<unk>  and FSH are secreted by the anterior pituitary gland, while hCG and eCG are secreted by the placenta in pregnant humans and mares, respectively. The<unk> s act on the gonads, controlling gamete and sex hormone production.<unk>  is sometimes abbreviated<unk> . The alternative spelling<unk>  which inaccurately implies a nourishing mechanism is also used. There are various preparations of<unk> s for therapeutic use, mainly as fertility medication. There are also fad diet or quack preparations, which are illegal in various countries.
Gonadotropin
Antigonadotropin
Menotropin
Progonadotropin
Luteinizing hormone
Prolene
Androgen
Anticorticotropin