LESLIE R. SCHOVER, PH.D., is a clinical psychologist in the Department of Behavioral Science at the University of Texas M. D. Anderson Cancer Center. For many years she provided counseling in the Cleveland Clinic s infertility program, and has published original research on the psychological aspects of male infertility. ANTHONY J. THOMAS JR., M.D., is one of the few urologists in the United States who specialize in male infertility. He is head of the prestigious Cleveland Clinic s Section of Male Infertility and is on the staff of the clinic s Department of Urology, consistently voted one of the top three in the United States by U.S. News and World Report.