HDN - 4
•Immunologic testing:
•ePrenatal evaluation:
•indirect antiglobulin test (antibody screen)
•‡if IgG class antibodies are detected the mother=s antibody titer is monitored during pregnancy
•‡increasing titer indicates HDN
•‡steady titer indicates antigen comatibility between fetus and mom=s red cells
•indirect antiglobulin test (antibody screen)
•direct antiglobulin test (DAT)
•blood typing
•‡performed on mom after delivery
•‡if positive the antibody is identified
•eNeonatal evaluation: