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Multiple pregnancies put mother at heart disease risk

Tue, Mar 24, 2015, 03:01 PM
New York, March 24, 2015: Women who give birth to four or more children are at higher risk of developing cardiovascular diseases than women who have fewer children, says Indian-American researcher Monika Sanghavi from University of Texas's Southwestern Medical Center in Dallas.

"This study adds to a body of evidence that pregnancy, which generally occurs early in a woman's life, can provide insight into a woman's future cardiovascular risk," informed Sanghavi, assistant professor of internal medicine and lead author of the study.

One possibility might be that women who have many pregnancies may have more visceral fat (fat around abdominal organs). This has been linked to increased heart disease risk.

Another possibility could be that increased cholesterol and higher blood sugar associated with pregnancy may lead to increased risk.

"During pregnancy, a woman's abdominal size increases, she has higher levels of lipids in her blood, and higher blood sugar levels. Each pregnancy increases this exposure," Sanghavi noted.

Using data gathered for the Dallas Heart Study, Sanghavi and her team compared the number of live births reported by women in the study with their coronary artery calcium (CAC) levels and aortic wall thickness (AWT).

High levels of coronary artery calcification and thicker aortic walls are markers of heart disease that show up before symptoms develop. Women were divided into three groups: One or no live births, two to three live births, and four or more live births.
Agency: IANS

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