FMH estimation

Haematology

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Description

RhD negative mothers require injections of prophylactic anti-D to prevent them being immunised by fetal red cells which may enter their circulation as a result of a feto-maternal haemorrhage.

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Indications

For RhD negative patients. Requests should be sent for any possible sensistising event occuring post 20 weeks gestation and at delivery.

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Sample Type

Maternal - 1 x EDTA 6ml Pink + Cord/baby - 1 x EDTA 4 ml Purple if appropriate

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Reference Range

N/A

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Turnaround Time

Within 3 days

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Testing Frequency

As Required

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External Notes

Results and advice for anti D prophylaxis communicated to user within 72 hours of event or delivery.

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Patient Preparation

For RhD negative patients only.

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References

BCSH guideline for the use of anti-D immunoglobulin for theprevention of haemolytic disease of the fetus and newborn.H. Qureshi et al, Transfusion Medicine, 2014, 24, 8-20.

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See Also

N/A

Please note: the above information is subject to change and we endeavour to keep this website up to date wherever necessary.