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: Pediatrics
[{'content': 'All of the following statements about Patent Ductus Aeriosus (PDA) are true, except: \nSelect and explain. \nA. It is more common in males than females, B. It is a common hea lesion in rubella, C. Treatment is closure of defect by ligation and division of ductus, D. Hypoxia and immaturity are impoant in maintaining the patency', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Patent Ductus Aeriosus is more common in females than males. Ref: Harrison 17th Edition, Page 1461; O P Ghai 6th Edition, Page 406; Nelson 18th Edition, Page 1859, 1879, 1891', 'role': 'assistant'}]