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目的:评价广东省使用率较高的12种宫内节育器(IUD)放置后因出血取出情况。方法:采用分层整群随机抽样方法,随机抽查2000年1月1日～2007年6月30日省内放置IUD的育龄妇女,包括已取出IUD和正在使用者。对入选人群36个月内月经改变及因出血IUD累积取出率进行分析。结果:月经量增多发生率母体乐39.24%,高支撑力含铜34.53%,曼月乐10.21%;点滴出血发生率高支撑力含铜19.23%,爱母17.89%,元宫型药铜9.52%;因出血取出率母体乐14.6%,高支撑力含铜13.6%,元宫型药铜0.8%,曼月乐0.0%,各项差异均有统计学意义(P<0.01)。结论:12种IUD中,母体乐及高支持力含铜IUD 36个月内因出血累积取出率最高,而曼月乐、元宫药铜IUD因出血累积取出率最低。
Objective: To evaluate the situation of 12 kinds of intrauterine devices (IUDs) with high usage in Guangdong province after being placed for hemorrhage. Methods: A stratified cluster random sampling method was used to randomly select women of childbearing age who placed IUDs in the province from January 1, 2000 to June 30, 2007, including those who have taken out IUDs and those who are currently using them. Menstrual changes within 36 months of the selected population and cumulative rates of IUD bleeding were analyzed. Results: The incidence of menstrual increase was 39.24% in males, 34.53% in high supportive copper, and 10.21% in Mirena. The incidence of drip bleeding was high with 19.23% copper, 17.89% copper, 9.52% The rate of bleeding was 14.6% for males, 13.6% for high supportive copper, 0.8% for uterine copper, and 0.0% for Mirena (all P <0.01). CONCLUSION: Among 12 IUDs, maternal music and high supportive copper-containing IUDs had the highest cumulative rate of hemorrhage in 36 months, while Mirena and Yuan Gong drug IUD had the lowest cumulative rate of hemorrhage.