Immunology: The indirect immunobead test for seminal antisperm antibodies and fertilization rates at in-vitro fertifization

Abstract excerpt

A series of 183 patients with positive indirect immunobead tests on semen was studied to determine the correlation in semen between specific antibody types, binding sites, antibody concentration, and fertilizing ability. IgM was present in only 44 ejaculates and was present in sufficient quantity to cause significant binding to immunobeads (i.e. >20% of motile donor spermatozoa) in only three of them. There was...

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