A nurse is providing preconception teaching with a client who has phenylketonuria (PKU). Which of the following information should the nurse include in the teaching?
A. Follow a low‑phenylalanine diet once pregnancy
is confirmed.
B. The client will undergo testing of phenylalanine levels one to two times per week throughout pregnancy.
C. Increase intake of dietary proteins prior to conception.
D. The client will require a cesarean section birth due to the likelihood of having a fetus with macrosomia.