DRUG ANALOGUE OF USE AND ROUTE Misoprostol PGE1 Aboion (oral) NSAID induced ulcer (oral) Cervical ripening (intravaginal) Alprostadil PGE1 Impotence (intrapenile) To maintain patency of ductus aeriosus (i.v.) Dinoprostone PGE2 Induction of labour (intravaginal) Carboprost PGF2a Post paum hemorrhage (i.m.) Dinoprost PGF2a Aboion (intra-amniotic) Latanoprost PGF2a Open angle glaucoma (eye drops) Iloprost PGI2 Pulmonary hypeension (inhalational) Epoprostinol PGI2 Pulmonary hypeension (i.v.)