<prompt> Answer this question truthfullyWhat does the term secondary prevention of hemophilia mean?  <response>: <reason> Effective measures for the secondary prevention of hemophilia include avoidance of invasive fetal monitoring of a hemophilic fetus, avoidance of operative vaginal delivery, administration of vitamin K injection with care, availability of the factor concentrate at the time of delivery, infusion of factor VIII or IX concentrate at least once weekly for 45 weeks per year, and the use of e-Diaries to improve record keeping of hemophilia patients home treatment and bleeding episodes. 