Nelson, MDMedically reviewed by Douglas A. Nelson, MD Thrombocytosis, or a high platelet count, is diagnosed when platelet levels are greater than 450,000 platelets per microliter of blood.

High blood pressure during pregnancy can put you and your baby at higher risk of complications like preterm delivery, but ...

CINCINNATI (WKRC) — The nation's blood supply is critically low, with demand surging as the holiday season approaches. The need for new and universal donors is especially urgent, according to experts.