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How does pregnancy affect women with deep vein thrombosis?

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While you're expecting a baby, and up to six weeks after you deliver, your chances of deep vein thrombosis (DVT) are four to five times greater because of hormonal and physical changes in your body. Blood flow slows down, making it more likely to pool and clot. Your expanding uterus can press on veins, making it harder for blood to get through. It also gets more difficult for you to move and stay active. All of these increase your risk for DVT.

SOURCES:

National Heart, Lung, and Blood Institute "What Is Deep Vein Thrombosis?" "What Is Pulmonary Embolism?" :

National Blood Clot Alliance: "Women's Health," "Is It True That Birth Control Pills Cause Blood Clots?" "What Every Woman Needs to Know About Blood Clots."

American Society of Hematology: "DVT: Myths and Facts."

American Congress of Obstetricians and Gynecologists: "Preventing Deep Vein Thrombosis," "Combined Hormonal Birth Control: Pill, Patch, and Ring."

UpToDate: "Patient information: Deep vein thrombosis (DVT) (Beyond the Basics)."

Practice Bulletin, , September 2011. Obstetrics & Gynecology

Stegeman, B. Sept. 12, 2013. BMJ,

Committee on Gynecologic Practice, American Congress of Obstetricians and Gynecologists, April 2013.

Reviewed by Suzanne R. Steinbaum on March 18, 2018

SOURCES:

National Heart, Lung, and Blood Institute "What Is Deep Vein Thrombosis?" "What Is Pulmonary Embolism?" :

National Blood Clot Alliance: "Women's Health," "Is It True That Birth Control Pills Cause Blood Clots?" "What Every Woman Needs to Know About Blood Clots."

American Society of Hematology: "DVT: Myths and Facts."

American Congress of Obstetricians and Gynecologists: "Preventing Deep Vein Thrombosis," "Combined Hormonal Birth Control: Pill, Patch, and Ring."

UpToDate: "Patient information: Deep vein thrombosis (DVT) (Beyond the Basics)."

Practice Bulletin, , September 2011. Obstetrics & Gynecology

Stegeman, B. Sept. 12, 2013. BMJ,

Committee on Gynecologic Practice, American Congress of Obstetricians and Gynecologists, April 2013.

Reviewed by Suzanne R. Steinbaum on March 18, 2018

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When would a doctor prescribe medicine that prevents blood clots from forming?

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