Factor XII is a deficiency in one of the proteins (Factor XII ) involved in clotting blood.
Deficiency of factor XII is considered a rare clotting disorder, and it involves no clinical bleeding.
Will this deficiency lead to any other complications?
Will you be prescribing any medication? What are the side-effects?
It is hereditary? If so, what signs and/or symptoms will occur in family members?
Does having blood drawn for lab work present any problems?