Fetal Bleed Screening Test (FMH Rapid Screen)

Test description

The purpose of this test is to determine if the mother has experienced a placental bleed which would allow fetal blood cells to enter maternal circulation. This test is particularly important when an Rh negative mother has an Rh positive fetus. The crossover of blood between mom and baby may cause the mother to develop an antibody that may cause problems in future pregnancies. If the test is positive, a quantitative test such as the Kleihauer-Betke Quantitative test is required to determine the volume of fetal-maternal hemorrhage and estimate the amount of Rh Immune Globulin (RhIG) needed to prevent alloimmunization.

Fetal Bleed Screening Test (FMH Rapid Screen) (PDF)

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