Study finds a possible negative association between hemoglobin levels and certain von Willebrand factor assays. Desmopressin was safe and effective for women with inherited bleeding disorders during both pregnancy and delivery. Von Willebrand factor concentrate was not superior to tranexamic acid for reducing heavy menstrual bleeding in women. The Fellow on Call Podcast team shifts their focus from types 1 and 3 vWD to type 2 subtypes and how to manage them. The Fellow on Call team continues their series on hematology consultation with an overview of von Willebrand disease. Acquired von Willebrand disease develops rapidly after the start of extracorporeal membrane oxygenation.