The fetal heart rate has demonstrated at least two accelerations of 15 beats per minute above the baseline, each lasting 15 seconds, within a 20-minute timeframe.

The fetal heart rate demonstrates that the fetus is receiving insufficient oxygen and is in distress.

The fetal heart rate has demonstrated at least two accelerations of 10 beats per minute above the baseline, each lasting 10 seconds, within a 20-minute timeframe.

The fetal heart rate shows a significant decrease in response to uterine contractions.