Top of the page. Test Overview Blood type tests are done before a person gets a blood transfusion and to check a pregnant woman's blood type. If your red blood cells have: The A antigen.
The B antigen. Neither the A nor B antigen. Both the A and B antigens. Rh test Rh blood type checks for the Rh antigen also called the Rh factor on red blood cells. If your red blood cells: Have the Rh antigen, your blood is Rh-positive.
Do not have the Rh antigen, your blood is Rh-negative. When a woman is planning to become pregnant or first becomes pregnant. Before you donate blood. Before you have surgery.
Before a person donates an organ for transplantation. To show whether two people could be blood relatives. To check the identity of a person suspected of committing a crime. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm.
How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Risks There is very little chance of having a problem from this test. Results Blood type tests are done before a person gets a blood transfusion and to check a pregnant woman's blood type.
While it sounds interesting, there is no relation whatsoever. Mosquitoes do not have a preference for O blood type. It is often said that people with O type attract mosquitoes, but there is no such relation between the two. Mosquitoes are drawn by the carbon dioxide and heat majorly. No blood type is more prone to illness over the other.
Blood type has little to no effect on body health. Every blood type is needed, and every blood type can make a difference. Importance of Blood Donation A single donation can save three lives. One blood donation provides components that can help upto three different people.
Donations are the only way of giving blood to someone who needs it. Blood is not manufactured in a laboratory despite numerous advancements in technology. Conclusion It is crucial to have a proper classification of blood groups for blood transfusion. Which blood type is rarest? The rarest blood type is AB negative. Why is O negative so rare? What blood type can reject pregnancy? Why is it done? Quick Appointment. Pro Health. Most Popular. Prolactinoma — Symptoms, Causes and Treatment November 11, Load more.
August 14, Please try again. Something went wrong on our side, please try again. Show references Understanding your blood type. American Red Cross. Accessed Feb. Uhl L. Pretransfusion testing for red blood cell transfusion. Accessed Jan. Roberts JR, et al, eds. Transfusion therapy: Blood and blood products. Philadelphia, Pa. Pruthi RK expert opinion. Mayo Clinic, Rochester, Minn. But do you know what makes each type unique? Read More. How Rare Is My Type?
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