A Pregnant Woman Is Scheduled for Contraction Stress Test

A pregnant woman is scheduled for contraction stress test. The result revealed a negative contraction stress test. Which of the following statements best describes the results of the test?

A) Good heart rate variability with no late or variable decelerations from uterine contractions
B) Fetal heart rate tracing is not sufficient for adequate interpretation
C) There were fetal heart rate decelerations, but with less than 50% of the contractions
D) Late or variable fetal heart rate decelerations with 50% or more of the contractions in the absence of uterine hyperstimulation