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外用阴道避孕药是计划生育的综合措施之一,由于它能杀精避孕,且有携带轻巧,使用简便,无激素避孕药危害生理功能等优点,是一种受群众欢迎的避孕方法。因此,在避孕节育措施中日益显示出应有的地位,已成为国内外研究者重视的一个重要课题。目前,国内外常用两个品种,一种是壬基苯氧聚乙氧乙醇,另一种是烷基苯氧聚乙氧乙醇(即“741”)。二者都是通过接触而破坏精子,达到避孕的非离子型表面活性剂。但是,临床结果表明,在试用对象中有部分人发生局部刺痛、灼热、分泌物增多,还有人出现
Topical vaginal birth control pills is one of the integrated family planning measures, because it can kill sperm contraception, and carry a light, easy to use, hormone-free contraceptives endanger the physiological functions, etc., is a popular contraceptive method. Therefore, the increasingly prominent place in contraceptive measures has become an important issue that researchers at home and abroad attach importance to. At present, two varieties are commonly used at home and abroad, one is nonylphenoxy polyethoxyethanol and the other is alkyl phenoxy polyethoxyethanol (“741”). Both are non-ionic surfactants that break sperm by contact and reach contraception. However, the clinical results showed that some people in the test subjects had local tingling, burning, increased secretions and others appeared