“According to the US Centers for Disease Control and Prevention, hemophilia occurs in approximately 1 in 5,000 live births. There are about 20,000 people with hemophilia in the US. All races and ethnic groups are affected. Hemophilia A is four times as common as hemophilia B while more than half of patients with hemophilia A have the severe form of hemophilia.  Von Willebrand disease (VWD) is the most common bleeding disorder, affecting up to 1% of the US population.”

National Hemophilia Foundation