The Nurse Caring for a Woman in Labour Understands That

The nurse caring for a woman in labour understands that which of the following is related to prolonged decelerations?

A) They are a continuing pattern of benign decelerations that do not require intervention.
B) They constitute a baseline change when they last longer than 5 minutes.
C) They usually are isolated events that end spontaneously.
D) They require the usual fetal monitoring by the nurse.