This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharmacotherapy In Psychiatry, Subject name: Psychiatry
[{'content': "Ebstein's anomaly may be a complication of which drug when used during first trimester of pregnancy: \nSelect and explain. \nA. Sodium valproate, B. Lamotrigine, C. Lithium carbonate, D. Carbamazepine", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Lithium carbonate* Teratogenic effect of Lithium:* cardiac defect - Ebstein anomaly* Apical displacement of septal posterior tricuspid valve (arterialization of right ventricle)', 'role': 'assistant'}]