DEAR MAYO CLINIC: I am 33 years old and recently had an annual physical and routine blood work. I'm active with two children and feel fantastic, but my platelet count came back as 651. My health care ...

Q: My platelets were slightly elevated on my blood test. What can cause this? A: Platelets are part of how our body forms clots to stop bleeding. They are produced in the bone marrow by cells called ...

A 34-year-old woman (gravida 3, para 2) at 16 weeks’ gestation was found to have platelets unable to be quantified because of clumping on routine prenatal blood work, with a visual estimate of 40 ...

Cerebral venous sinus thrombosis (CVST) with thrombocytopenia is characterized by a blood clot in the brain and a platelet count that’s lower than normal. Prompt medical attention is crucial to lower ...