Blood pressure is the term for the amount of pressure found in the vessels that carry blood throughout your body. In order to be healthy, it is important for your blood pressure to be at a normal level. When your blood pressure becomes too high, it can be problematic during all stages of life, especially during pregnancy. High blood pressure is a condition called hypertension, and if left untreated, it can cause problems for both mother and child. If you are pregnant and are at risk for developing high blood pressure, you may need special care. This page covers basic information you should know about high blood pressure and how it can affect your pregnancy.