Tray agglutination test (TAT) is a sensitive micre-method for defecting sperm-agghutinat-ion antibodies. Needing of the use of an inverted microscope for observation

however

has restricted its widespread applications in basic hospitals. In view of this

the method of TAT was modified by replacing inverted microscopc with a general

microscope on the premise of maintsioning its advantages. Seventy-three samples of infertile: patients were examined by both methods

and the results were found identicad.