Michelle, who has suffered from epilepsy all her life, takes Trileptal to control her seizures. Recently she became pregnant with her first child. She then checked on her medication and found no adequate studies have been performed on the effect of the medication on pregnant women. She asked her doctor whether Trileptal was a(n):
A. Influence on newborn reflex responses
B. Tatata
C. Stimulant for fetuses
D. Teratogen