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: Pharmacology
Fetal hydantoin syndrome is seen if following drug is used in pregnancy ? 
Select and explain. 
A. Phenytoin, B. Alcohol, C. Ethosuximide, D. Phenobarbitone
A: Phenytoin
Answer: A: Phenytoin 
Explanation: None