This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.H.D., Subject name: Pediatrics
[{'content': 'Which of the following is not seen in congental rubella syndrome? \nSelect and explain. \nA. Atrial septal defect, B. Ventricular septal defect, C. Patent ductus arteriosus, D. Pulmonary stenosis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Atrial septal defect o Cardiac anomalies in Congenital rubella (In decreasing order of frequency) - PDA (most common), PS, VSD, ASDo ASD is the best answer amongst the given options because amongst the given options, ASD is least commonly associated with congential rubella.", 'role': 'assistant'}]