Abstract
A high incidence of fertilization failure has been reported in men with over 70% of their sperm bound with isoantibodies. In three men with greater than 80% antisperm antibody binding with IgG and IgA immunolobulins, a normal rate of fertilization (29/46 oocytes; 60%) was achieved by adding a sufficient number of motile sperm to provide at least 50,000 unbound sperm per oocyte. This method appears to be simple and more effective than attempting to separate unbound sperm in vitro.
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Hamilton, F., Gutlay-Yeo, A.L. & Meldrum, D.R. Normal fertilization in men with high antibody sperm binding by the addition of sufficient unbound sperm in vitro. J Assist Reprod Genet 6, 342–344 (1989). https://doi.org/10.1007/BF01138774
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DOI: https://doi.org/10.1007/BF01138774