The prostaglandins.
D000818:Animals; D001777:Blood Coagulation / Q000187:drug effects; D002319:Cardiovascular System / Q000187:drug effects; D002623:Chemistry Techniques, Analytical; D002845:Chromatography; D003270:Contraceptive Agents; D003338:Corpus Luteum / Q000187:drug effects; D004231:Diuresis / Q000187:drug effects; D005123:Eye / Q000187:drug effects; D005260:Female; D005750:Gastric Juice / Q000187:drug effects; D006168:Guinea Pigs; D006801:Humans; D009130:Muscle, Smooth / Q000187:drug effects; D009318:Natriuresis / Q000187:drug effects; D009420:Nervous System / Q000187:drug effects; D010437:Peptic Ulcer / Q000139:chemically induced; D011247:Pregnancy; D011453:Prostaglandins / Q000096:biosynthesis / Q000138:chemical synthesis; D011817:Rabbits; D051381:Rats; D014599:Uterus / Q000187:drug effects
D003270:Contraceptive Agents; D011453:Prostaglandins