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 - Northwestern Memorial Hospital - Chicago

Heart Disease & Pregnancy

Often young women with cardiovascular disease are told that they should not become pregnant, when in fact; they may be able to undergo a safe pregnancy successful for both mother and baby. At Northwestern Memorial Hospital, the Heart Disease and Pregnancy Program has nearly 20 years experience managing all forms of heart disease during pregnancy.

The Heart Disease and Pregnancy Program takes a multidisciplinary approach involving specialists from Maternal-Fetal Medicine (high-risk Obstetrics), Anesthesia, Obstetrics, Genetics, and other medical subspecialties to provide comprehensive care for pregnant women with heart disease. Women that will benefit from this program include women born with heart disease, those that acquire heart disease prior to their childbearing years, and/or those that develop heart disease during pregnancy. Over 1500 women have been followed in this program with all types of heart disease.

Pregnancy places unique demands on the mother's circulatory system, which may cause problems if there is underlying heart disease. Heart problems during pregnancy may develop because of the cardiac changes associated with pregnancy or the pregnancy itself may be affected by the underlying heart problem. Therefore, it is important that the women with heart disease have a complete preconception evaluation prior to becoming pregnant. This evaluation can be lifesaving and will certainly help to promote a successful pregnancy outcome. The Heart Disease and Pregnancy Program has developed strategies that are specific for different types of heart disease.

During pregnancy, there are changes that occur in the mother's circulatory system that are expected and normal. Because a mother's circulatory sytems is required to provide additional blood to the uterus and the placenta, her blood volume increases. The plasma (fluid in the blood) volume increases faster than the blood cells increase resulting in an anemia (lower than normal number of red blood cells) during pregnancy. Anemia can increase demands on the heart. The plasma volume increase begins early in pregnancy and reaches peak effects between 24 and 26 weeks. This plasma level change, when compared to the non-pregnant state, is increased by approximately 50 percent. Later in pregnancy, the heart rate increases to promote circulation of blood to the uterus. The highest heart rates for the mother are in the last trimester. The heart rates may increase between 10 and 20 percent but the woman may not be aware of this change. The total cardiac output (volume of blood pumped out of the heart with each beat) increases in mid-pregnancy by up to 50 percent. In addition, it is normal during pregnancy for the blood vessels to dilate and the blood pressure to fall.

The purpose of the Heart Disease and Pregnancy Program is to provide specialized, appropriate care for the pregnant woman with heart disease. The goal is successful outcome for both mother and baby. Marla A. Mendelson, MD, is the founder and director of the Heart Disease and Pregnancy Program. Known for her research on heart disease during pregnancy, heart disease in women, and adult congenital heart disease, Dr. Mendelson understands that it is imperative that all women of childbearing age who have heart disease and are contemplating pregnancy to receive a complete preconception evaluation prior to becoming pregnant.

Contact

Heart Disease and Pregnancy Program
1-866-662-8467 (toll free)

Information line
312-MYHEART (694-3278)

Last UpdateNovember 23, 2012

Referrals &
Appointments

To obtain a referral or schedule
an appointment:


Northwestern Memorial:
1-866-662-8467

Northwestern Lake Forest:
847-LF-HEART (534-3278)

Northwestern Grayslake:
847-LF-HEART (534-3278)


Glenview Outpatient Center:

847-724-GLEN (4536)

 
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