North American Registry of Midwives (NARM) Practice Exam

What is the significance of a reactive fetal heart rate pattern during a non-stress test?

1. Indicates fetal distress

2. Suggests adequate oxygenation

3. Shows potential developmental issues

4. Equates to fetal movements only

The correct answer is: Suggests adequate oxygenation

A reactive fetal heart rate pattern during a non-stress test is significant because it suggests adequate oxygenation and overall fetal well-being. This pattern is characterized by an increase in the fetal heart rate in response to fetal movements, demonstrating that the fetus can appropriately respond to stimuli, which is an important indicator of healthy cardiovascular function and oxygen supply. When the fetus is well-oxygenated, it exhibits a healthy heart rate variability and accelerations in heart rate corresponding to movements. These responses reflect normal neurological function and indicate that the fetal environment is supportive. In contrast, a non-reactive pattern might raise concerns about potential distress or insufficient oxygenation, leading to further evaluation. Thus, recognizing a reactive pattern is crucial in prenatal assessments as it confirms that the fetus is thriving.