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Interested in finding out what blood type you are? But what about an unexpected medical emergency? That’s when O negative donors save lives! If you’re scheduled for a surgical procedure, you can always donate your own blood in advance and be given that during the procedure. 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.
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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. The rules for blood type in transplantation are the same as they are for blood transfusion. The blood type of the donor must be compatible with the recipient. The next most common is blood type A, then B, and the rarest is blood type AB. The most common blood type in the population is type O. Once you're already pregnant, your first prenatal visit will likely include a blood typing test in the battery of blood tests taken.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. Blood Typing There are 4 different blood types. In fact, women with blood type O are thought to have a more difficult time getting pregnant than women with any other blood type, especially type A. Studies have shown that certain blood types play a role in fertility and the ease/difficulty in getting pregnant. It may also become a concern when you get pregnant. In fact, when trying to get pregnant you should consider finding out your blood type. Rh factor is a big determinant in both fertility and pregnancy. If you're Rh-negative, you will need to take certain precautions during your pregnancy because an Rh positive fetus can conceivably be affected if the RH negative mother has previously been exposed to Rh positve blood and creates antibodies that cross the placenta and attack the fetus' RH positive blood.Ĭheck out blood type and Rh factor by country! Distribution of blood typesīlood type is a measurement that may go unnoticed for most of your life unless you need a blood transfusion or other surgery or medical condition. East Asian communities have 93-97% Rh+ blood. Subsaharan African populations have a 97-99% Rh+ factor. The majority of people in the world and across various ethnicities have Rh+ blood type. Because blood types are genetic, they are inherited from the parents, blood types have different racial and ethnic differences. Most people are either A positive or O positive and the fewest are AB negative. There are four main blood types: O, A, B, and AB and two Th factors, positive or negative.