Dr Michelle Lavin, coagulation haematologist, talks about the difference between having von Willebrand Disease and reduced levels of von Willebrand Factor (vWF) in this weeks’ EHC NOW! Hear about the newly published results on what it could mean having vWF levels of 30-50 percent, such as that 89% of women with low (30-50%) von Willebrand factor experience heavy periods. Don’t miss part II of the interview in next weeks’ edition!