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Neonatal alloimmune thrombocytopenia(NAIT) is a very rare disease caused by maternal alloantibodies` response to neonatal platelet antigens. Because the most common cause of NAIT is incompatibility for platelet-specific antigens, NAIT cases due to anti-HLA antibodies are very exceptional. The patient was a second born female. She had no petechia or purpura at birth. But her platelet count was 55,000/mm3 and... |