Nursing Intervention for Variable Decelerations in Labor

A 32-year-old woman is admitted to the labor and delivery unit at 38 weeks of gestation for suspected labor. Upon admission, her cervical exam reveals that she is 4 cm dilated, 80% effaced, and the fetus is in the vertex position. During the monitoring of contractions, the fetal heart rate (FHR) demonstrates variable decelerations. The healthcare team is concerned about potential umbilical cord compression. Which of the following nursing interventions should be prioritized to address these findings?