Recent breakthroughs are aiming for "cures" by using viruses to deliver functional genes into the patient's liver, allowing the body to produce its own clotting factors.
Since females have two X chromosomes (XX), a healthy gene on one can usually compensate for a faulty one on the other. The Royal Connection bleeder's disease
There are two primary forms, depending on which protein is missing: Recent breakthroughs are aiming for "cures" by using
Severity is classified by how much "factor" is present in the blood. Those with hemophilia may experience "spontaneous bleeds"—bleeding that happens for no clear reason, often into the knees, elbows, or ankles. Modern Management often into the knees