There are numerous reasons for blood pressure to spike and become elevated while talking BP medications. These include. 1  increased sodium chloride intake (table salt or NaCl)  low potassium.
Levels of progesterone do increase naturally in pregnancy as mentioned above. High levels of progesterone are associated with the condition congenital adrenal hyperplasia. However, the high progesterone levels are a consequence of and not a cause of this condition. Also, high levels of progesterone are associated with an increased risk for developing breast cancer. Progesterone, either alone or in combination with oestrogen, is taken by women as an oral contraceptive (âthe pillâ). âThe pillâ works by preventing ovulation, making it nearly 100% effective in preventing pregnancy.
Your midwife will check your blood pressure at every antenatal appointment. Making sure your blood pressure is at a healthy level is an important part of looking after you and your baby during pregnancy. It's perfectly normal for your blood pressure to change a little during pregnancy. The hormone progesterone relaxes the walls of your blood vessels. This may make your blood pressure fall during your first trimester and second trimester (Murray and Hassall 2009, NHS Choices 2013) .