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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.

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. The existence of the antigens that determine if your blood is O, A, B or AB was discovered about 100 years ago. If you have O negative blood, the only blood type you can receive is O negative. While those with O negative are universal blood donors, the blood they can receive when it comes to transfusions is far from universal. 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.