My son lab work came back.What is the significance of dropping from 27% factor for VW to 17% on lab work? Mine has never went below 27%

Can Wilabrands runs in my family with levels around 27% with the exception of my uncle who had less than 1%. No one in my family, including myself, who have levels normally at 27% have had a decrease like this. On occasion our levels have risen. So I am a little out of my element. What does this mean and what could have caused it? I haven't gotten in… read more