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    Understanding and Treating Alpha Thalassemia Major: 2023 Science Update
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    Venous Thromboembolism (Blood Clots)

    Blood clot in a deep vein.

    Hemophilia

    Blood does not clot properly.

    Hereditary Hemorrhagic Telangiectasia (HHT)

    Blood vessels do not develop properly.

    Sickle Cell Disease

    Red blood cells become hard, sticky, and shaped like a C.

    Thalassemia

    Red blood cell disorder.

    Von Willebrand Disease

    Blood does not clot properly.

    Women

    Bleeding disorders affecting women.

    Vitamin K Deficiency Bleeding

    Bleeding disorders affecting infants.

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    Last Reviewed: March 7, 2023
    Source:  National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention
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    • Venous Thromboembolism (Blood Clots)
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    • Hereditary Hemorrhagic Telangiectasia (HHT)
    • Sickle Cell Disease
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    • Vitamin K Deficiency Bleeding
    • Von Willebrand Disease
    • Women’s Blood Disorders
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