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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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Page last reviewed: September 5, 2019
Content source: Division of Blood Disorders, National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention