Bundoo® • November 21, 2024 • 5 min read
Pregnancy causes profound changes in your body, including ones that affect your heart as your body works to produce and supply enough blood to keep your developing baby healthy. During the first 5-8 weeks of pregnancy, the total amount of blood in your body will increase by 40-50 percent, which has a number of effects:
In some instances, however, blood pressure can increase to high levels during pregnancy, a condition known as gestational hypertension. High blood pressure during pregnancy is also associated with a condition called preeclampsia, which can affect your heart and increase the likelihood of pregnancy complications. To make sure your heart is healthy, you will have a blood pressure check at every prenatal visit.
While these changes can seem daunting, remember that cardiac-related complications due to pregnancy are rare in women who didn’t have a cardiac condition prior to becoming pregnant. Between 1 and 4 percent of pregnant women have cardiac-related complications. However, you should be aware of symptoms that could signal a problem, including:
Tell your provider immediately if you experience these symptoms. If your symptoms are severe or include chest pain, seek immediate medical attention.
What if you do have a pre-existing heart condition? If you have been diagnosed with a heart or heart-related condition, such as rhythm issues, heart valve disorders, congestive heart failure, high blood pressure, or congenital heart defect, it is best to discuss your plans for becoming pregnant with your obstetrician and a cardiologist before you get pregnant. This is especially true if you have heart conditions that could have life-threatening consequences if you were to become pregnant, such as Eisenmenger’s syndrome or aortic or mitral valve disease.
Reviewed by Dr. Jen Lincoln, November 2018
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