This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
Which is a treatment of juvenile myoclonic epilepsy in pregnancy? 
Select and explain. 
A. Levetiracetam, B. Carbamazepine, C. Vigabatrin, D. Phenytoin
A: Levetiracetam
Answer: A: Levetiracetam 
Explanation: A unique anticonvulsant which suppresses kindled seizures but is ineffective against rna'-'electroshock or PTZ. Clinical efficacy has been sh,,*. -adjuvant medication in refractory paial seizure,; or without secondary generalization. None of the __ anticonvulsant mechanisms of action appear applicable to levetiracetarn. Ref KD Tripati 8th ed.