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为了研究IUD与盆腔炎之间的关系,作者比较了4185名白人妇女的避孕史,根据多变量逻辑回归分析,排除地区、初潮年龄、宗教、教育、吸烟和性对象数等干扰因素,评价输卵管性不孕症与使用IUD的相对危险性。研究结果说明:输卵管性不孕症与使用IUD有关,但与使用含铜避孕环无明显相关。方法作者采用多中心病例对照方法,研究使用IUD与继发不孕之间的关系。该研究在七个中心进行。病例来自1981～1983年就诊的妇女,有先天性不孕因素、要求复孕及丈夫做了输精管结扎术的妇女不列入研究。在能及时确定诊断又能随访的1880受试者中,每对夫妇至少有一个不孕症的原因。诊断方案包括精液分析、测定基础体温和孕激素水平,性交后试验、宫腔镜检查、子宫输卵管造影、诊断性腹腔镜检查。本文集中在经子宫输卵管造影和/或腹腔镜检证实为输卵管闭塞或粘连的病例。对照组
To study the relationship between IUD and pelvic inflammatory disease, the authors compared the contraceptive history of 4,185 white women to multivariate logistic regression analysis to exclude interfering factors such as regional age, age of menarche, religion, education, smoking and number of sexual partners, Sexual infertility and the relative risk of using IUD. The results show that: tubal infertility and the use of IUD, but not significantly associated with the use of copper-containing contraceptive ring. Methods The authors used a multicenter case-control study to examine the relationship between the use of IUD and secondary infertility. The study was conducted in seven centers. Cases Women from 1981 to 1983 who had congenital infertility, those who requested re-conceive and their husband had vasectomy were not included in the study. Of 1880 subjects who were diagnosed and followed up promptly, at least one cause of infertility was found in each couple. Diagnostic protocols include semen analysis, determination of basal body temperature and progestin levels, post-intercourse tests, hysteroscopy, hysterosalpingography, and diagnostic laparoscopy. This article focuses on the case of tubal occlusion or adhesions confirmed by hysterosalpingography and / or laparoscopy. Control group