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目的:评价在B超干预下放置IUD的临床效果。方法:将1 455例志愿放置IUD的育龄妇女随机分成两组,均在B超监测下放置Tcu-M型IUD。其中干预组985例,置器后IUD顶端与子宫外缘的距离(S-S)≤14 mm,如超过此范围需马上重置;对照组470例,只记录置器后的实际参数,不作干预。全部观察对象均于术后1、3、6、12个月进行随访,观察临床使用效果。结果:放置满12个月时,对照组和干预组的带器妊娠率分别为36/470、5/985,二者之间比较差异有统计学意义(P<0.01);脱落率分别为23/470、28/985,差异有统计学意义(P<0.05);因症取出率分别为3/470、44/985,累积续用率分别为67/470、93/985,差异无统计学意义(P>0.05)。结论:在B超干预下放置IUD具有脱落率低、带器妊娠率低等优点,值得临床推广。
Objective: To evaluate the clinical effect of IUD placement under B-ultrasonography. Methods: A total of 1 455 women of childbearing age who voluntarily placed IUDs were randomly divided into two groups, and Tcu-M type IUDs were placed under B-ultrasound monitoring. The intervention group, 985 cases, after placement of the tip of the IUD and the uterine edge of the distance (S-S) ≤ 14 mm, such as the need to be immediately reset beyond this range; 470 cases of the control group, only record the actual parameters after placement, without intervention. All the observers were followed up 1, 3, 6 and 12 months after operation to observe the clinical effect. Results: At the 12th month after implantation, the pregnancy rate of the device in the control group and the intervention group was 36/470 and 5/985, respectively, with significant difference (P <0.01); the rate of shedding was 23 / 470,28 / 985, the difference was statistically significant (P <0.05); the removal rate of the disease were 3 / 470,44 / 985, the cumulative success rates were 67/470, 93/985 respectively, with no statistical difference Significance (P> 0.05). Conclusion: The placement of IUD under B-mode intervention has the advantages of low exfoliation rate and low pregnancy rate of the device, which is worthy of clinical promotion.