文章对329例已婚妇女使用避孕药具效果进行了调查和分析,得出其中避孕失败原因主要是:漏服、方法不当、自行停用和药具变质。并提出一些改善措施。 The article investigated and analyzed the effect of using contraceptives in 329 married women, and concluded that the main reasons for contraception failure include missed service, improper methods, self-disablement and deteriorating medicines. And put forward some improvement measures.