Discover what blood types are compatible with yours. Get our guide to find out. There are four major blood groups determined by the presence or absence of two antigens, A and B, on the surface of red …

Blood type Blood type (or blood group) is determined, in part, by the ABO blood group antigens present on red blood cells. A blood type (also known as a blood group) is a classification of blood based on …

Nov 28, 2023 · Learn about blood types, including A, B, AB, O and Rh+ and Rh-. See which blood type is the universal donor and universal recipient.

There are four main blood types: A, B, AB and O. Blood bank specialists determine your blood type based on whether you have antigen A or B on your red blood cells.

Dec 7, 2025 · Eight blood types are divided into four categories: A, B, AB, and O, and whether you're Rh positive or negative. Learn what these classifications mean.

The blood types that exist in humans are A, B, AB and O. Not all blood types are compatible with each other, however, and therefore it's important to know who can donate to whom.

May 19, 2025 · In this comprehensive guide, we'll explore the world of blood types, delving into the science behind them and providing a detailed blood typing chart for reference.

Jan 21, 2025 · This chart provides a clear overview of blood type characteristics, including antigens present or absent and compatibility for transfusions. Understanding these factors is essential for …

Learn about the rarest blood types and most common types of blood and how that can impact your blood donation method. Target Your Type with our blood type chart.

Each type is also classified by an Rh factor–either positive or negative. Your ABO blood grouping and Rh factor are inherited from your parents. O+. O- A+. B+. B- AB+. AB-