janeherr
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Everything posted by janeherr
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Are you saying you do not do the K-B if the FMH screen is negative? According to the screen package insert it says that with a weak D infant the screen may not be positive even with a greater that 30ml. bleed. We are currently not following a negative screen with a K-B, although I am not sure how many if any infants we have had in these cases that are weak D since we report these babies out as RhD positive.
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Is anyone calculating FMH by Kleihauer-Betke when the mother is RhD neg and infant is weak D? Since with regular testing we cannot determine if infant is weak or partial D we treat all those tested as weak D as if they could cause immunization. However in package insert for Fetalscreen test (using rosette method) it says that the screen may be falsely negative if the infant is weak D. Should we then require that a Kleihauer test be done in these cases? Of course we all hate the K-B in our chronically understaffed BB. Could the weak D infant cause the mother to need more than one vial of Rhogam even with a bleed of more than 30 mL?