The Patient Is Receiving Phenobarbital (Luminal) for Control of Seizures

The patient is receiving Phenobarbital (Luminal) for control of seizures. The patient tells the nurse she plans to become pregnant. What is the best response of the nurse?

A) "Your medication dose will need to be decreased during your pregnancy."
B) "Please talk to your doctor; this drug is contraindicated in pregnancy."
C) "Your medication dose will need to be increased during your pregnancy."
D) "Please talk to your doctor; you will need a safer drug like valproic acid (Depakene) ."