This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epilepsy and EEG, Subject name: Medicine
[{'content': 'What is the drug of choice for GTCS in pregnancy? \nSelect and explain. \nA. Lamotrigine, B. CBZ, C. Levetiracetam, D. Valproate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Safest Antiepileptic drug in pregnancy: Levetiracetam (least teratogenic) > Lamotrigine For generalized seizures, Valproic acid is effective in absence, myoclonic, and atonic seizures. Levetiracetam, is increasingly considered the initial DOC for women of childbearing age with epilepsies having mixed seizure types', 'role': 'assistant'}]