North American Registry of Midwives (NARM) Practice Exam

What is considered a normal rise in blood pressure during contractions for a woman in labor?

1. A rise of 5-10 mm Hg diastolic

2. A rise of 5-15 mm Hg systolic

3. A systolic rise of 10-20 mm Hg and diastolic rise of 5-10 mm Hg

4. A systolic rise of 20-30 mm Hg and diastolic rise of 10-15 mm Hg

The correct answer is: A systolic rise of 10-20 mm Hg and diastolic rise of 5-10 mm Hg

During labor, it is expected that a woman's blood pressure will rise in response to the physiological stress and pain of contractions. This response is part of the body's normal adaptation to the intense physical demands placed on it during labor. In the context of this question, the option indicating a systolic rise of 10-20 mm Hg and a diastolic rise of 5-10 mm Hg accurately reflects the typical physiological changes that occur during contractions. This range demonstrates a balanced increase in both systolic and diastolic pressures, which can result from factors such as increased cardiac output and catecholamine release during labor. Understanding this normal response is critical for midwives and healthcare providers, as it helps differentiate between expected physiological changes and potentially pathological conditions that require further evaluation. Monitoring blood pressure is essential during labor, and recognizing these normal rises can aid in ensuring that both the mother and baby remain stable throughout the labor process.