Understanding Bleeding

Learn about blood, how it clots, and what happens in a bleeding disorder.

How Does Blood Clot Normally?

Blood-clotting (also called coagulation) is a complex process involving numerous proteins known as blood-clotting factors. The proteins are found in plasma (the liquid part of blood) and they work together with platelets to form a clot over the wound.

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What’s Happening in a Bleeding Disorder?

In people with bleeding disorders, one of the blood-clotting factors is missing or doesn’t work properly. This causes wounds to bleed longer.

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