What are some expected vital sign changes during the second trimester of pregnancy?

During the second trimester of pregnancy, it is typical for blood pressure to decrease slightly due to the physiological changes that occur in the body, including the expansion of blood volume and the development of the circulatory system to accommodate the growing fetus. Additionally, the heart rate or pulse may increase slightly as the body works harder to supply oxygen and nutrients to both the mother and the fetus. The combination of decreased blood pressure along with increased pulse rate aligns with the body's adaptations during this stage of pregnancy.

Understanding these changes is crucial for assessing the health of both the mother and fetus. The drop in blood pressure may not be significant and is usually well-tolerated, but any drastic changes could indicate complications that need monitoring. This information underscores why it is essential for healthcare providers to regularly monitor vital signs throughout pregnancy to ensure both maternal and fetal well-being.