Final answer:
If FHR decelerations are detected during labor, the next step would be to Change maternal position.
Step-by-step explanation:
If FHR decelerations are detected during labor, the next step would be to d) Change maternal position. Changing the maternal position can help improve blood flow to the fetus and relieve pressure on the umbilical cord, which may be causing the decelerations. Examples of positions that can be tried include side-lying, hands and knees, or standing.