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': 'Most common cause of Congenital hypothyroidism is \nSelect and explain. \nA. Thyroid agenesis, B. Thyroid dysharmonogenesis, C. Thyroid dysgensis, D. Iodine deficiency', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Most common cause of congenital hypothyroidism is thyroid dygenesis > thyroid dysharmonogenesis.', 'role': 'assistant'}]