A Relaxation Technique That Can Be Used During the Childbirth

A relaxation technique that can be used during the childbirth experience to decrease maternal pain perception is

A) using increased environmental stimulation as a method of distraction.
B) restricting family and friends from visiting during the labor period to keep the patient focused on breathing techniques.
C) medicating the patient frequently to reduce pain perception.
D) assisting the patient in breathing methods aimed at taking control of pain perception based on the contraction pattern.