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调查了上海市所属崇明、嘉定二个县及川沙县三个公社的全部放置了不锈钢宫内节育环20年以上妇女635人的临床情况;调查了上述地区年龄相似未放环的妇女724例作为对照。临床症状发生率经年龄与绝经年龄配对后,放环组中赤带的发生率增高4.87%(P<0.05),而月经量增多与不规则出血的发生率增高极少(P>0.05)。放环组取环374例其宫腔括出物中均未见癌,特别注意了内膜的直接压迫与移行区内膜亦未见明显间变。子宫内膜轻度增生过长9例,占2.41%。与放置时间长短无关。其中315例较完整的内膜中,有炎症者32例,占10.15%。其发生率与环的放置时间长短无关。内膜炎中3例为放线菌感染。374例取环困难情况与环的放置时间长短无明显关系,而与绝经年限长短有关,随着绝经年限增长而困难增多。23例宫腔X 线造影发现宫腔随着绝经年限增长而逐渐缩小,环的嵌顿越来越深。
Investigated the clinical situation of 635 women with stainless steel IUD placed in more than 20 years in three communes of Chongming, Jiading and Chuansha counties in Shanghai; and investigated 724 women of similar age without ring in the above-mentioned areas . The incidence of clinical symptoms by age and menopause age pairing, the release of the red band in the group increased the incidence of 4.87% (P <0.05), while the increase in menstrual flow and irregular bleeding increased rarely (P> 0.05). 374 cases of the ring group take the ring of the uterine enumeration did not see the cancer, with special attention to the direct compression of the intima and transitional zone in the inner membrane also showed no significant change. Endometrial hyperplasia was too long in 9 cases, accounting for 2.41%. Has nothing to do with the placement time. Of 315 cases more complete intima, there are 32 cases of inflammation, accounting for 10.15%. The incidence of ring placement has nothing to do with the length of time. Endocarditis in 3 cases of actinomycetes infection. There were no significant relationships between the difficulty in taking loop and the placement time of the ring in 374 cases, but related to the length of menopause and the difficulty of increasing the length of menopause. In 23 cases of uterine X-ray findings, the uterine cavity gradually narrowed with the growth of menopause and the ring’s incarceration became deeper and deeper.