Case report: mixed-field agglutination in a patient with a weak D antigen presenting as a possible fetal-maternal hemorrhage.


A gravida 1, para O, 17-year-old black female was found on prenatal testing to be group O, Du+, the latter test showing many unagglutinated cells. Because of the mixed-field appearance, the patient was thought initially to have bad a fetal-maternal hemorrhage. Additional red cell typings were performed, but no other apparent mixed-field reactions were… (More)


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