Progonadotropin
A progonadotropin , or hypergonadotropin , also known as a gonad stimulant , is a type of drug which increases the secretion of one or both of the major gonadotropins , luteinizing hormone ( LH ) and follicle-stimulating hormone ( FSH ) . 
<triplet> follicle-stimulating hormone <subj> gonadotropin <obj> subclass of