Hemophilia - Prevention
There is only one way to prevent hemophilia. Parents who carry a defective X chromosome may pass that chromosome on to their children. If a male child inherits a defective X chromosome he will develop hemophilia. Adults can be tested to tell if they carry a defective X chromosome. They can use that information to make decisions about having children.
People who already have hemophilia can make decisions as to how best to prevent the worst conditions of their disorder. For example, they can avoid the most strenuous forms of work and exercise that might result in injury and bleeding. They also need to make special preparations when surgery or dental procedures are necessary.