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 …

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.

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.

Dec 20, 2025 · Blood types A, B, AB, and O affect transfusion compatibility. Blood type O-negative is the universal donor, while AB-positive is the universal recipient.

Dec 26, 2024 · Four main blood types exist: A, B, AB, or O, and everyone has a positive or negative Rh factor. Blood types are important because they affect blood transfusions, …

Learn about the different blood types and why matching them is important for blood donations.

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-

May 19, 2025 · With four main blood types and numerous subtypes, understanding blood types can be overwhelming. In this comprehensive guide, we'll explore the world of blood types, …