Biofeedback is best described as the method that provides the woman in labor with________.

A) a reduction in the amount of pain experienced during the course of childbirth
B) nutrients necessary to carry through with the process of childbirth
C) deep psychological understanding
D) continuous information as to what is happening with various bodily functions

Biofeedback is a technique that teaches individuals to control physiological processes such as heart rate, muscle tension, and blood pressure by providing them with real-time feedback on these functions. It does not directly reduce pain, provide nutrients, or offer deep psychological understanding, but rather gives continuous information about bodily functions, allowing individuals to learn how to influence these functions through relaxation, visualization, and other techniques.