The nurse is caring for a client with preterm labor whose provider orders tocolytic therapy. Which clinical findings indicate a desired outcome from tocolytic therapy?

Contractions occurring occasionally and lasting for 30 seconds every 2 minutes.

Fetal Heart Rate (FHR) 170 beats per minute (bpm) with a decrease from moderate to minimal variability.

FHR 140 bpm with minimal variability with late decelerations.

Contractions slowing with a fetal heart rate of 130 bpm and moderate variability.