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Rh isoimmunizationFrom: David Nagey (dnagey@c3p0.ab.umd.edu)Sat Dec 30 15:36:51 1995
writes Dr. Khaled Homouda Assistant lecturer, Ob Gyn AinShams university medical schoo afhosp@ritsec2.com.eg Hello Does any body know about the risk of Rh sensitization in a RH -ve patient who had a positive pregnancy test and a 1-2mm sac by vag probe then bleeding with no remnants in a week's time, she didn't recieve the anti D Ig that was 2 months ago now the titre is negative thanks !>> as I recall, red cell formation (and antigen presentation) begin at approximately 7 weeks post-conception so this lady was likely never at risk. Unless I am absolutely positive about gestational age, I err on the side of giving RhIg, however. Finally, if this woman is negative 6+ weeks out, she's at no risk. David -- David Nagey -University of Maryland School of Medicine -dnagey@c3p0.ab.umd.edu
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