A Prenatal Client Discloses That She Takes High Doses of Vitamins

A prenatal client discloses that she takes high doses of vitamins. Which is the most accurate instruction that the nurse can provide in response to the client's statement?

A) "High levels of vitamins may cause harm to the fetus."
B) "Only water-soluble vitamins may be harmful during pregnancy."
C) "Megadoses of vitamins are associated with positive birth outcomes."
D) "Vitamin supplementation is not needed during pregnancy."