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目的观察新式菱形立体网状宫内节育器(intrauterine device,IUD)的避孕效果及不良反应。方法将志愿观察对象72例随机分组,每组各36例,分别放置菱形立体网状IUD(观察组)和元宫药铜Cu200IUD(对照组),于术后1、3、6、12个月进行随访,B超、X光腹部平片检查菱形立体网状IUD位置,了解放置IUD后不良反应发生率、带器妊娠率、IUD脱落率、因症取出率、续用率及避孕效果。结果 2组均成功放置了IUD,术中无明显疼痛。观察组术后不良反应发生率低于对照组(5.6%vs 41.7%,P<0.05)。两组续用率比较(100.0%vs 86.1%)差异无统计学意义(P>0.05)。结论放置菱形立体网状IUD 12个月的36例观察对象具有很好的避孕效果,术后不良反应轻微,可为育龄妇女提供新的、安全、高效的IUD。
Objective To observe the contraceptive effects and adverse reactions of the new rhombic intrauterine device (IUD). Methods 72 volunteers were randomly divided into three groups: 36 cases in each group, and placed rhombic three-dimensional network IUD (observation group) and Yuan Gong Yao Cu200IUD (control group) Follow-up, B-ultrasound, X-ray abdominal plain film examination of the diamond shaped three-dimensional network IUD position, to know the incidence of adverse reactions after placement of IUD, pregnancy rate with IUD, IUD off rate, withdrawal rate due to illness, the continuation rate and the effect of contraception. Results The IUDs were successfully placed in both groups, with no obvious pain during operation. The incidence of postoperative adverse reactions in the observation group was lower than that in the control group (5.6% vs 41.7%, P <0.05). There was no significant difference between the two groups (100.0% vs 86.1%) (P> 0.05). Conclusions 36 cases of IUD with rhombic reticular meshwork for 12 months have good contraceptive effect and slight postoperative adverse reactions, which can provide a new, safe and efficient IUD for women of childbearing age.