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宫内节育器(IUD)是我国农村中应用最广泛的一种节育方法,为了确切了解其避孕效果,我们按照“全国十二省市IUD使用效果流行病学调查协作组”统一设计方案的要求,对本省濮阳市郊区三个乡金属单环形IUD的使用效果进行了一次现场回顾性流行病学调查。在46个调查点中,列为调查对象者计有2261例,实际调查2234例,调查率为98.8％。一、避孕效果: 本文实际统计2220例,总计62603妇女月。五年中发生脱落184例,带器妊娠16例,意外妊娠350例,因症取出29例,非因症取出286例,共停用865例,继续存放1355例。因考虑到我省因绝育取环的非因症取出所占比例较大,且与IUD的实际效果无直接
IUD is one of the most widely used method of birth control in rural areas of China. In order to understand its contraceptive effect exactly, according to the requirements of the unified design scheme of “Cooperative Team for Epidemiological Investigation of IUD Use in 12 Provinces and Cities” , An on-site retrospective epidemiological investigation was conducted on the effect of single-ring metal IUD in three townships in the suburbs of Puyang, the province. Of the 46 surveyed points, 2261 were included in the survey, 2234 were actually investigated, and the survey rate was 98.8%. First, the contraceptive effect: This article actually 2220 cases of statistics, a total of 62,603 women’s month. In five years, there were 184 cases of exfoliation, 16 cases of pregnancy with device, 350 cases of unplanned pregnancy, 29 cases of exacerbation, 286 cases of non-prediabetes, 865 cases of discontinuation and 1355 cases of non-exacerbation. Due to taking into account the province due to sterilization to take the non-predominant ring removed a larger proportion, and the actual effect with the IUD no direct