In Terms of the Incidence and Classification of Diabetes,which Information

In terms of the incidence and classification of diabetes,which information should the nurse keep in mind when evaluating clients during their ongoing prenatal appointments?

A) Type 1 diabetes is most common.
B) Type 2 diabetes often goes undiagnosed.
C) GDM means that the woman will receive insulin treatment until 6 weeks after birth.
D) Type 1 diabetes may become type 2 during pregnancy.