A–Z Glossary

Antibody titer

An antibody titer is a measurement of the amount or level of a specific antibody in the blood.

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Blood type Rh factor and Rh incompatibility

Blood type Rh factor and Rh incompatibility

What is the Rh factor? The Rh factor, often referring specifically to the D antigen in the Rh blood group system, is a protein on red blood cells. A person whose red blood cells carry this protein is Rh-positive. A person whose red blood cells do not carry it is Rh-negative. Rh status is inherited […]