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Antisperm antibodies (ASA) are one well-known cause of refractory infertility in both males and females. In females, a sperm immobilization test, which detects sperm-immobilizing antibodies indirectly in the patient's serum, requires complement for the reaction and thus seems to be a more specific immunological reaction. In males, an immunobead test or a mixed antiglobulin reaction test, which detects ASA directly on the sperm surface, is a screening test because of the nonspecific reaction.

Citation

Hiroaki Shibahara, Junko Koriyama. Methods for direct and indirect antisperm antibody testing. Methods in molecular biology (Clifton, N.J.). 2013;927:51-60

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PMID: 22992903

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