This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
Lowest risk of malformations is seen with which of the following antiepileptic drug? 
Select and explain. 
A. Phenobarbitone, B. Valproate, C. Lamotrigine, D. Carbamazepine
C: Lamotrigine
Answer: C: Lamotrigine 
Explanation: A metanalysis of 31 studies found lamotrigine and levetiracetam to carry the lowest risk of malformations(Ref: William's Obstetrics; 25th edition)