A nurse on the labor and delivery unit is caring for a patient who is having induction of labor with oxytocin administered through a secondary IV line. Uterine contractions occur every 2 min. last 90 sec, and are strong to palpation. The baseline fetal heart rate is 150/min, with uniform decelerations beginning at the peak of the contraction and a return to baseline after the contraction is over. Which of the following actions should the nurse take?