A client at 37-weeks, 1-day gestation by a 10-week ultrasound, presents to labor and delivery with contractions every 3 to 4 minutes for the last 2 hours. The vaginal exam shows the client is 4 cm dilated, 50% effaced, -3 station. The membranes are intact. Contractions occur every 3 to 4 minutes per monitor, lasting 60 seconds, moderate by palpation. Fetal heart rate is 136 beats/minute with accelerations noted; no decelerations are noted. The estimated fetal weight by Leopold's is 6 pounds (2.72 kg). The prenatal course is unremarkable, with normal labs. The client's blood type is A-. An Rh' immune globulin injection was received at 28-weeks.