A Woman with Diabetes Is Considering Becoming Pregnant

A woman with diabetes is considering becoming pregnant. She asks the nurse whether she will be able to take oral hypoglycemics when she is pregnant. The nurse's response is based on the understanding that oral hypoglycemics:

A) Can be used as long as they control serum glucose levels
B) Can be taken until the degeneration of the placenta occurs
C) Are usually suggested primarily for women who develop gestational diabetes
D) Show promising results but more studies are needed to confirm their effectiveness