Which vitamin deficiency is most commonly seen in a pregnant mother who is on phenytoin therapy for epilepsy?

Which vitamin deficiency is most commonly seen in a pregnant mother wh

1.	Which vitamin deficiency is most commonly seen in a pregnant mother who is on phenytoin therapy for epilepsy?
A.	Vitamin B6
B.	Vitamin B12
C.	Vitamin A
D.	Folic acid
E.	none
Answer» E. none