Factor VII deficiency is a blood clotting disorder that causes excessive or prolonged bleeding after an injury or surgery.

With factor VII deficiency, your body either doesn’t produce enough factor VII, or something is interfering with your factor VII, often another medical condition.

Factor VII is a protein produced in the liver that plays an important role in helping your blood to clot.

It’s one of about 20 clotting factors involved in the complex process of blood clotting.

To understand factor VII deficiency, it helps to understand the role factor VII plays in normal blood clotting.