![]() If you don’t know you’re blood type, the blood center will test your blood when you donate and let you know your blood type. Interested in finding out what blood type you are? But what about an unexpected medical emergency? That’s when O negative donors save lives! Unlike other blood types, people with Rhnull blood have no Rh antigens on their red blood cells. If you’re scheduled for a surgical procedure, you can always donate your own blood in advance and be given that during the procedure. Genetics Compatibility for transfusions Summary The rarest blood type is Rhnull. What does this mean for you if you have O negative blood?īecome a blood donor! If you have O negative blood, you can only receive O negative blood, so you want to help ensure that there’s always a good supply on the shelves. But this also means that people with O negative blood can only receive O negative blood. The blood type and the Rh factor simply mean that a persons. This means that it’s missing those things that could cause a bad reaction during a blood transfusion and can be given to any blood type. Every person has a blood type (O, A, B, or AB) and an Rh factor, either positive or negative. O negative blood is missing both the A antigen and the B antigen and does not contain the protein for Rh positive blood. This gives us the common blood types of A+, A-, B+, B-, AB+, AB-, O+ and of course O. You are positive if you have the protein and negative if you don’t. Your Rh factor is determined by whether or not your blood contains a specific protein. Your blood group is determined by whether you have the A antigen, the B antigen, both A and B antigens or neither A or B antigen. That led to safer blood transfusions because doctors transfuse the right type of blood for people needed to survive. Those with ancestral roots in Basque provinces in Spain and France have the highest incidence of Rh negative blood than others around the world. The existence of the antigens that determine if your blood is O, A, B or AB was discovered about 100 years ago. 27 percent of Basques have type O Rh negative blood. If you have O negative blood, the only blood type you can receive is O negative. ![]() As Rh antigens are proteins, they seem to be lacking in the blood configuration of Rh-negative people, and researchers are puzzled by this fact. While those with O negative are universal blood donors, the blood they can receive when it comes to transfusions is far from universal. AB-negative It is very important to know your blood type, as there is a chance that you might need to give or receive blood in your lifetime. Click on a donor’s blood type below to learn more. The universal plasma donor has Type AB blood. The universal red cell donor has Type O negative blood. I’m O negative, what type of blood can I be transfused with?ĭo you have O negative blood? If so, you may have discovered that your blood is needed by hospitals and emergency services to help save lives, but you may be wondering what type of blood you can be given if you need a transfusion. Also, Rh-negative blood is given to Rh-negative patients, and Rh-positive or Rh-negative blood may be given to Rh-positive patients.
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