“…Lastly, a study of 160 girls evaluated for menorrhagia reported only 16% with bleeding disorders, but did not utilize a uniform hemostatic evaluation and did not clearly define the diagnostic criteria. 7 In comparison with these studies, we employed more stringent criteria to diagnose vWD and PFD based on recent publications, 13,14 which likely accounts for the large number of patients identified with low vWF activity (32%), and lower prevalence of PFD (11%) and vWD (7%) in our study when compared to previous reports.…”