Key Differences at a Glance The distinction between positive and negative blood types defines how the body handles foreign cells. Frequency and Distribution The prevalence of the Rh factor varies significantly across different ethnic groups and geographic populations.
Understanding Rh Negative Blood Type Pregnancy Risks and Complications
This minority status means that Rh-negative blood is considered a precious resource for transfusions, as it can only be safely given to other Rh-negative individuals. Generally, approximately 85% of people are Rh positive, leaving about 15% as Rh negative.
If you inherit one or two copies of this gene, your body produces the Rh protein, making you Rh positive. This triggers the production of anti-Rh antibodies, which can cause a dangerous reaction known as a hemolytic transfusion reaction in future exposures.
Understanding Rh Negative Blood Type Pregnancy Risks and Complications
The name originates from the Rhesus monkey, as the antigen was first identified in these animals during the 1940s. Defining the Rh Factor The term "Rh factor" refers to the Rhesus antigen, a specific protein that can exist on the surface of red blood cells.
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