美国加利福尼亚消息:一项大型的多中心研究的结果驳斥了以往认为输精管结扎术可能影响健康的提法。南加利福尼亚大学妇产科教授Gerald S Bernstein,在此地举行的太平洋海岸生育学会会议上报告,与未作输精管结扎的对照组男子相比,输精管结扎组的任何种类疾病(除附睾炎外)的发病率都无增高,心血管病、肿瘤和巳知或可疑的免疫系统的发病率均无增高。相反,输精管结扎者与对照组相比,对大多数疾病具有较低的发病率和死亡率。作过输精管结扎者中有60—70％的人血中产生抗精子抗体,并有迹象表明,这种反应可 CALIFORNIA, United States: The results of a large multicenter study disprove the old notion that vasectomy may affect health. Gerald S Bernstein, professor of obstetrics and gynecology at the University of Southern California, at the Pacific Coast Fertility Society conference here reported that the incidence of any type of disease (other than epididymitis) in the vasectomy group compared with men in the control group without vasectomy There was no increase in rates, with no increase in the incidence of cardiovascular disease, cancer, and the known or suspected immune system. In contrast, vasectomies had lower morbidity and mortality for most diseases than controls. Anti-sperm antibodies are produced in 60-70% of human blood vasectomes and there are indications that this response may be