A 25yearold gravida 1 woman who is HIV positive arrives at the hospital in early labor. Membranes are intact and the cervix is 50% effaced and 3 to 4 cm dilateD. Fetal heart rate is 150 beats/min. Which of the following procedures is contraindicated during labor?
A. amniotomy
B. augmentation of labor with oxytocin
C. external monitoring
D. operative delivery
E. use of fetal scalp electrodes