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人类Rh血型是除ABO血型之外临床意义最大的血型系统,也是较复杂的血型系统之一,因其高免疫性,可导致溶血性输血反应而备受重视。Rh血型系统主要有5种抗原,即C、c、D、E、e。在临床输血中,一般只做D抗原的鉴定,凡被检红细胞和抗D血清凝集者为RhD阳性,不凝集者为RhD阴性。在我国汉族人群中,RhD阴性的比例为0.2%~0.4%,属于稀有血型,因为非常罕见,
The human Rh blood group is the most clinically significant blood group in addition to the ABO blood group and is also one of the more complex blood group systems. Due to its high immunity, the human Rh blood group is highly regarded as a hemolytic transfusion reaction. Rh blood group system has five kinds of antigens, namely C, C, D, E, e. In clinical transfusion, usually only the identification of D antigen, who were detected RBC and anti-D serum agglutinate RhD-positive, non-agglutination RhD-negative. In Chinese Han population, RhD-negative ratio of 0.2% to 0.4%, belong to the rare blood group, because it is very rare,