Difficulty: Medium
Average Score: 70%
Simulated
Passage / Scenario
Fetal heart rate variabilityThe most common cause of decreased variability in the fetal heart rate (FHR) that lasts 30 minutes or less is:
Correct answer
A
Rationale
Fetal sleep cycles naturally reduce FHR variability for short periods and are benign. Compression, cerebral blood flow issues, or hypoxemia indicate distress and are less common.