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Management of rhesus isoimmunization by preimplantation genetic diagnosis
R Avner1, B E Reubinoff, A Simon
1Unit for Molecular Biology and Genetic Engineering, Hadassah University Hospital, Mount-Scopus, Jerusalem, Israel.
Molecular Human Reproduction
|January 1, 1996
Abstract:
A genetic assay by single blastomere analysis was developed for rhesus (RhD) blood group typing of early cleavage stage embryos. The method, which is based on the simultaneous amplification of an RhD-specific sequence and an internal control in single cells, was applied for the selective transfer of RhD-negative embryos in a family of an RhD sensitized woman and a heterozygote partner. The RhD status of two out of three biopsied embryos was determined. According to their amplified products, both were typed as RhD-negative and transferred to the uterus. Pregnancy was not achieved.