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Rh Factor

Discussion in 'Cardiology' started by JetL011, May 31, 2008.

  1. JetL011


    Jan 14, 2008
    Hello everyone,

    I hope that this is the best forum to post this topic.

    I am studying Rh factors, and I have a few questions about this blood type which aren't answered by my textbooks.

    Thank you very much!


    1. My textbook says that "anti-Rh antibodies develop over a two to four month period after the transfusion". So, I am wondering, if person A (having Rh- blood), has just received a transfusion from someone with Rh+ blood, will person A be able to receive transfusion safely after this four month period?

    In other words, will the body continue to produce anti-Rh antibodies if there is no particular contingency for which the antibodies are needed?

    2. For blood transfusions, must it be from a positive donor to a negative donor? Or will the other way work as well?

    I am guessing that it cannot be from - to + because the + will have anti-Rh antibodies which would destroy the negative donor's blood cells?
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