Modification of the Slide Agglutination Test for the Detection of Sperm-Agglutinins*

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Abstract
The slide agglutination test (SAT) was modified for the routine detection and titration of sperm agglutinins. Serum and seminal plasma samples of 156 subfertile patients were tested by the modified slide agglutination test (MSAT) in 2 trials; 15% of serum and 7.5% of seminal plasma samples gave positive results and MSAT showed excellent reproducibility: a highly significant statistical correlation between the positive titers in the 2 determinations was observed. Samples (110) were tested simultaneously by the MSAT and the tray agglutination test (TAT). The 2 tests showed a similar sensitivity with a significant statistial correlation between the positive titers. Using the MSAT the reading of results was easier and more precise. The MSAT is proposed for the routine detection and titration of sperm agglutinins.