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Revised guidelines advocate two doses of anti-D immunoglobulin for antenatal prophylaxis
| The first 150 words of the full text of this article appear below. |
EDITOR
In his editorial van Dijk advocates routine antenatal
prophylaxis with anti-D immunoglobulin of all pregnant women who are
RhD negative and refers to the consensus conference at the Royal
College of Physicians in Edinburgh in April 1997.1 He
states that two dose schedules were considered
two doses of 500 IU of
anti-D immunoglobulin, one at 28 weeks' gestation and the other at 34 weeks, and one dose of 1000 IU given between 28 and 30 weeks
both
options being equally effective. He implies that the second option
reflects Bowman's practice in Canada.2 Bowman's
programme in fact uses a dose of 1500 IU given at 28 weeks; maternal
anti-D immunoglobulin concentrations are then monitored and additional
anti-D immunoglobulin is given at around 36 weeks to those women in
whom passive anti-D immunoglobulin is no longer detectable.
In my presentation to the conference the second option considered was a
single dose of 1500 IU
not 1000 IU
of anti-D