This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pediatrics
[{'content': 'Pharmacological closure of patent ductus aeriosus in a premature infant is by administration of ______________ \nSelect and explain. \nA. Aspirin, B. Estrogen, C. Ibuprofen, D. Prednisolone', 'role': 'user'}, {'content': 'Answer: C \nExplanation: PDA treated with PG inhibitors. Ref : Ghai essential of pediatrics, eighth edition, p.no:417', 'role': 'assistant'}]