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宫内节育器是我国育龄妇女的一种主要避孕措施,具有经济简便、安全有效;放、取方便;不影响性生活;取出后不影响生育等优点,深受广大妇女欢迎。但使用宫内节育器时仍有些问题需进一步研究,如:节育器脱落、带器受孕、月经过多等。因此,我们最近对1968～1983年6月,使用宫内节育器的妇女,进行了一次抽样调查,研究其失效原因,提出改进措施,以提高宫内节育器的避孕效果。现报告如下:
IUD is a major contraception for women of childbearing age in our country. It is economical and convenient, safe and effective, easy to put and take, does not affect sexual life, does not affect fertility after being taken out, and is widely welcomed by the majority of women. However, the use of IUD still some problems need further study, such as: IUD shedding, pregnancy with the device, menorrhagia and so on. Therefore, we recently conducted a sample survey of women who used an IUD between June 1968 and June 1983 to study the causes of failure and propose improvements to improve the contraceptive effectiveness of an IUD. The report is as follows: