A nurse is assisting with the plan of care for a client who is Rh+, at 16 weeks of gestation, and scheduled for an amniocentesis. Which of the following actions should the nurse plan to take following the procedure?

a. Assist the client with positioning for an ultrasound.
b. Monitor the client for placental abruption.
c. Administer ℎ0 immune globulin to the client.
d. Obtain an umbilical blood sample from the fetus.