为了解我盟城乡节育环避孕成功率、失败率和副反应发生情况,我们对带环1年以上的妇女随机抽样1 650例进行分析. 一、年龄、职业、带环年限分布 1650例中～30岁组642例,占38.9%;～40岁组761例,占46.3%;～50岁组244例,占14.8%.其中年龄最小22岁,最大52岁.从职业上看,工人869例,占52.6%;农民571例,占34.7%;干部210例,占 In order to understand the success rate, failure rate and occurrence of side effects of birth control contraception in urban and rural areas of our Union, we randomly analyzed 1 650 cases of women with or without ring for more than one year for analysis.An age, occupation, There were 642 cases (38.9%) in the 30-year-old group, 761 cases in the 40-year-old group (46.3%), 244 cases in the 50-year-old group (14.8%), of which the youngest was 22 years old and the oldest was 52 years old. , Accounting for 52.6%; 571 farmers, accounting for 34.7%; 210 cadres, accounting for