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1989年4～10月随机放置药铜165IUD 99例,活性γ型IUD 100例,TCu220C 101例,观察五年三种IUD的脱落率分别为11.1、1.0和1.98;带器妊娠率分别为6.1、2.0和4.95;宫外孕的发生危险性含消炎痛的药铜165和活性γ型与TCu220C相比并未增加,因症取出率γ型和药铜环相似,TCu220C最高11.88;五年内继续存放率,γ型最高87.0,TCu220C74.3,药铜环70.7,γ型与其它两种相比差异有显著性。结论:活性γ型IUD含有消炎痛与铜,经五年观察,临床效果优于药铜环与TCu220C,值得推广。
From April to October 1989, 99 cases were randomized to receive 99 Cuolu 165IUD, 100 cases of active γ-type IUD and 101 cases of TCu220C. The five-year IUD shedding rates were 11.1, 1.0 and 1.98, respectively. The pregnancy rates were 6.1, 2.0 and 4.95; the risk of ectopic pregnancy containing anti-inflammatory pain medicine copper 165 and active γ-type compared with TCu220C did not increase, due to disease removal rate γ and drug copper ring is similar to TCu220C up to 11.88; The highest γ-type was 87.0, the lowest was TCu220C74.3, the other was 70.7. The difference between γ-type and other two types was significant. Conclusion: The active γ-type IUD contains indomethacin and copper. After five years of observation, the clinical effect is superior to that of drug bronze ring and TCu220C, which is worth promoting.