A Midwife Is Monitoring a Client in Labor Who Is

A midwife is monitoring a client in labor who is receiving intravenous oxytocin. The fetal heart rate monitor tracing reveals decelerations occurring 35 seconds after the onset of each contraction and continuously past the end of the each contraction. Which of the following is the priority action of the midwife?

A) Change the client's position to side-lying position.
B) Position the client to Trendelenburg position.
C) Stop the administration of oxytocin.
D) Administer oxygen.