This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Prostaglandin derivatives are used in the following conditions except : \nSelect and explain. \nA. Cervical ripening, B. As an abortifacient, C. NSAID induced peptic ulcer, D. Patent ductus arteriosus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]