Medically reviewed by Anju Goel, MD You may need an MPV test if you show symptoms that suggest an issue with your platelet size or number.An MPV test involves drawing a blood sample from a vein and ...
DEAR DR. ROACH: I am a 58-year-old female in reasonably good health. When I was young, I donated blood several times and would have continued to do so, had I not become ineligible due to living in ...