Final answer:
To prevent compression of a prolapsed cord during labor, the nurse should position the woman on her left side with a pillow placed between her legs.
Step-by-step explanation:
To prevent compression of a prolapsed cord during labor, the nurse should position the woman on her left side with a pillow placed between her legs. This position helps to relieve pressure on the cord and ensures that there is adequate blood flow to the baby. It also prevents the weight of the baby from causing further compression of the cord.