A Midwife Is Receiving a Client Who Has Just Delivered

A midwife is receiving a client who has just delivered a healthy baby girl through vaginal birth. No complications were noted during labor. In the immediate postpartum period, the midwife assesses the client's vital signs:

A) Every 15 minutes during the first hour, every 30 minutes for the next 2 hours, every hour for the next 2 to 6 hours, and then every 4 hours for the next 24 hours.
B) Every 15 minutes during the first 30 minutes, every 30 minutes for the next 2 hours, every hour for the next 4 hours, and then every 4 hours for the next 24 hours.
C) Every 30 minutes for the first hour, every hour for the next 2 hours, every 2 hours for the next 4 hours, and then every 8 hours for the next for the next 24 hours.
D) Every 30 minutes for the first hour, every hour for the next 2 hours, every 4 hours for the next 16 hours, and then every 8 hours for the next 24 hours.