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Who should be checked for factor V Leiden?

ANSWER

If you've had any of these signs, you should be checked for factor V Leiden:

  • You had a deep vein thrombosis (DVT) or pulmonary embolism (PE) before turning 50.
  • You have a DVT or PE that keeps coming back.
  • You have a clot in your brain or liver.
  • You had a DVT or PE during or right after a pregnancy.
  • You have a history of miscarriages in the second or third trimester.
  • You have a strong family history of venous thromboembolism and you have a DVT or PE.

SOURCES:

American Society of Hematology: "Blood Clots."

CDC: "Venous Thromboembolism (Blood Clots)."

GeneFacts: "Factor V Leiden-associated Thrombosis."

Mayo Clinic: "Factor V Leiden."

National Blood Clot Alliance: "Factor V Leiden Resources."

National Human Genome Research Institute: "Learning About Factor V Leiden Thrombophilia."

NIH U.S. National Library of Medicine Genetics Home Reference: "factor V Leiden thrombophilia."

World Federation of Hemophilia: "What are rare clotting factor deficiencies?

Reviewed by Nayana Ambardekar on July 15, 2018

SOURCES:

American Society of Hematology: "Blood Clots."

CDC: "Venous Thromboembolism (Blood Clots)."

GeneFacts: "Factor V Leiden-associated Thrombosis."

Mayo Clinic: "Factor V Leiden."

National Blood Clot Alliance: "Factor V Leiden Resources."

National Human Genome Research Institute: "Learning About Factor V Leiden Thrombophilia."

NIH U.S. National Library of Medicine Genetics Home Reference: "factor V Leiden thrombophilia."

World Federation of Hemophilia: "What are rare clotting factor deficiencies?

Reviewed by Nayana Ambardekar on July 15, 2018

NEXT QUESTION:

What is the treatment for factor V Leiden?

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