The nurse is caring for a client who is gravida 3 para 2. The obstetric history reveals that all labors were uncomplicated with two vaginal deliveries. The client is 6 cm dilated and effaced. Which is the minimal acceptable amount of monitoring?
A. Intermittent fetal heart rate auscultation
B. Fetal scalp sampling
C. No monitoring needed
D. Continuous external fetal monitor