A lot of women experience high blood pressure during pregnancy due to the extra volume of blood in their body. (vikasayoga.com)
Currently the most reliable way to detect infection is by detecting the bacteria in the blood but this requires a relatively large volume of blood. (sciencedaily.com)
Also, the heart needs to work that much harder to pump the higher volume of blood, leading to an increased heart rate. (aboutkidshealth.ca)