• Mrs. KL is a 28 year-old school teacher.
• She's feels she bruises easily and
• Bleeds excessively with dental procedures.
• She also has a history of excessive menstrual flow (menorrhagia),
• She is pregnant now with her first child.
• She claims if she takes just one aspirin, she will bruise for a week.

• Her family history is significant for bleeding problems.
• Some of her relatives, both male and female, have a bleeding tendency.
• She's very concerned because an aunt supposedly died in childbirth from a hemorrhage.
• This person's a woman, I thought problems like this occurred only in men?
• Nay, nay. Only factors IX and the enzymatic part of VIII are sex-linked. All others are autosomal.
• And, only von Willebrand disease is dominant, all others are recessive.

How do you work this up?                                                                   Back