避孕方法有口服避孕药、宫内节育器、子宫帽、阴茎套等多种。其中避孕药有每天服用的麻烦及影响肝功能和脂质代谢的缺点,而宫内节育器有可能诱发盆腔炎。作为避孕效果确实、副作用更少的避孕方法,Chvapil曾报道过与胶原海绵插入阴道阻止精子上升的避孕方法,这次试制了在阴道海绵内混入杀精子物质的阴道避孕海绵,并检验了它的临床效果。对象:10对志愿参加试验的年轻夫妇。5对夫妇一组分A和B二组。女方的年龄27～36岁(平均27.4岁),是有生育能力的健康妇女。配偶的年龄 Contraceptive methods are oral contraceptives, IUD, uterine cap, penis and other. Contraceptives which take daily trouble and affect the liver function and lipid metabolism shortcomings, and IUD may induce pelvic inflammatory disease. As a contraceptive method with a real contraceptive effect and fewer side effects, Chvapil has reported contraceptive methods of inserting a collagen sponge into the vagina to prevent sperm from rising. This time, a trial of a vaginal contraceptive sponge containing spermicidal substances in a vaginal sponge was tested and its Clinical effect. Subjects: 10 pairs of young volunteers willing to participate in the experiment. 5 couples A group A and B two groups. The woman’s age is 27 to 36 years (average 27.4 years) and is a fertile, healthy woman. Spouse’s age