重置宫内节育器元宫Cu-365 IUD避孕效果的临床观察

目的:总结重置宫内节育器元宫Cu-365 IUD避孕效果的临床体会。方法:将曾有放置IUD史的,愿意继续使用IUD避孕的育龄妇女500例随机分成2组,分别放置元宫Cu-365 IUD、MCu IUD两种IUD各250例。于放置后1、3、6、12个月进行随访。结果:两种IUD 12个月带器妊娠率分别为0.40%、0.80%,差异无显著性意义(P>0.05);脱落率分别为0.20%、8.40%,差异有非常显著性意义(P<0.01);因症取出率分别为0.80%、3.60%,差异有非常显著性意义(P<0.01);累积续用率分别是94.80%、73.20%,差异有非常显著性意义(P<0.01)。结论:元宫Cu-365IUD具有脱落率低、因症取出率低、累积续用率高的优点,值得临床应用,对于曾有置器失败的育龄妇女,元宫Cu-365 IUD具有可接受性。

Clinical contraceptive effect of replacing Yuangong-365 IUD

Objective: To investigate the clinical contraceptive effect of replacing Yuangong-365 IUD.Methods: 500 cases of women with previous use of IUD were randomly divided into two groups: 250 cases with Yuangong-365 IUD and MCuIUD respectively.They were followed up at 1,3,6,and12 months after replacement.Results: The pregnant rates after 12 months were 0.40% to 0.80%(P > 0.05);the expulsion rates were 0.20% to 8.40%(P < 0.01);the take off rats due to symptom were 0.80% to 3.60% respectively(P < 0.01);the cumulative continuation rates were 94.80% to 73.20%(P <0.01).Conclusion: Yuangong-365 IUD has the advantage of low expulsion rate,low taking off rate due to symptom and high cumulative continuation rate.It is acceptable to women with previous failed use of IUD.