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A nurse is evaluating the results of a contraction stress test (CST) for a pregnant client who had a nonreactive or nonreassuring result on a nonstress test (NST).
The nurse notes that there are no late decelerations of the fetal heart rate (FHR) after three contractions in a 10-minute period.
How should the nurse interpret this finding?
Positive or abnormal results mean that there are late decelerations of the FHR after three contractions in a 10-minute period, which suggests that the baby may be at risk of hypoxia or injury during labor.
Negative or normal. This means that there are no late decelerations of the fetal heart rate (FHR) after three contractions in a 10-minute period, which indicates that the baby can tolerate the stress of labor contractions.
Equivocal or suspicious results mean that there are either variable decelerations or late decelerations after fewer than half of the contractions, which require further testing or monitoring.
Unsatisfactory or incomplete results mean that there are either fewer than three contractions in a 10-minute period or poor quality of the FHR tracing, which prevent an accurate interpretation of the test.
Negative or normal. This means that there are no late decelerations of the fetal heart rate (FHR) after three contractions in a 10-minute period, which indicates that the baby can tolerate the stress of labor contractions.
Choice A is wrong because positive or abnormal results mean that there are late decelerations of the FHR after three contractions in a 10-minute period, which suggests that the baby may be at risk of hypoxia or injury during labor.
Choice C is wrong because equivocal or suspicious results mean that there are either variable decelerations or late decelerations after fewer than half of the contractions, which require further testing or monitoring.
Choice D is wrong because unsatisfactory or incomplete results mean that there are either fewer than three contractions in a 10-minute period or poor quality of the FHR tracing, which prevent an accurate interpretation of the test.
