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: Medicine
Drug of choice for myoclonic epilepsy in pregnancy is: 
Select and explain. 
A. Carbamazepine, B. Sodium valproate, C. Phenobarbitone, D. Phenytoin
B: Sodium valproate
Answer: B: Sodium valproate 
Explanation: Among the given options, only sodium valproate can be used for myoclonic seizures. Carbamazepine and phenytoin can worsen these seizures whereas phenobarbitone is not effective. However, these days preferred drug is lorazepam.