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目的比较Mcu功能性宫内节育器(McuIuD)和Tcu220C宫内节育器(Tcu220CIuD)临床使用效果。方法选择自愿放置宫内节育器的已婚育龄妇女1 234例,随机分成两组,分别放置McuIuD和Tcu220CIUIuD,进行24个月随访观察。结果McuIuD的脱落率显著低于Tcu220C(P<0.05),妊娠率、因症取出率及终止率两组比较,差异有统计学意义(P<0.05)。结论McuIuD是避孕效果优于Tcu220CIuD可在临床上推广使用。
Objective To compare the clinical efficacy of McuIuD and Tcu220C intrauterine device (Tcu220CIuD). Methods One hundred and twenty-two cases of married women of childbearing age were randomly assigned to IUD. The patients were divided into two groups at random. McuIuD and Tcu220CIUIuD were placed respectively and followed up for 24 months. Results The shedding rate of McuIuD was significantly lower than that of Tcu220C (P <0.05). There was a significant difference in pregnancy rate, withdrawal rate and termination rate between two groups (P <0.05). Conclusion McuIuD is better than Tcu220CIuD contraceptive effect in clinical use.