Most Vasectomy Patients Fail To Verify Their Sterility, Cleveland Clinic Study Finds

... Twenty-five percent of men who undergo vasectomies forego having their semen tested to determine the procedure's effectiveness, according to a Cleveland Clinic study published in the April issue of the British Journal of Urology. The study also found that of 436 men who participated, a mere 21% complied with post-vasectomy instructions, which included submitting two consecutive semen samples declared free of sperm, to determine the procedure's success... click link for more info. ...