Diverse humoral and cell-mediated effects of antisperm antibodies on reproduction*†*Supported in part by the Veterans Administration Research Service, grant CA 27070 from the National Cancer Institute, the James Swiger Hematology Research Fund, and the Sarah P. Duke Fund.†Associate Members’ Prize Paper. Presented at the Thirty-Ninth Annual Meeting of The American Fertility Society, April 16 to 20, 1983, San Francisco, California.