A nurse assisting in the care of a client, places the tocodynamometer (TOCO) transducer on a client's fundus and secures it in place. The client asks the nurse to explain the purpose of the monitoring device. Which of the following responses should the nurse make?

"This monitor gives me information related to fetal heart rate fluctuations during your labor."

"This monitor measures the intensity and frequency of your contractions so I can observe labor progress."

"This monitor allows me to observe your labor progress. By observing the pattern, I can tell how strong your contractions are."

"This monitor provides me with information related to the duration and frequency of your contractions."