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官内避孕器,由来已久,现仍为广大群众所乐用,作为计划生育主要方法之一,是因为宫内避孕器效果好,放取简便,偶有并发症,也易于解除,且工艺简易,材料便宜。但由于带器受孕,脱落以及放置时限等问题的存在,使更广泛地推广应用,受到了影响。为了解决以上问题,不少学者曾进行过长期的临床研究,特别是对放置后子宫内膜病理变化的观察,有的竟达18年之久。虽然没有发现子宫内膜的明显异常与致癌的迹象,也对器的质料与形式作了不少改进,但带器受孕、脱落问题,仍未完全解决。看来带器受孕、脱落以及并发症是关系
IUD, a long time ago, is still used by the general public, as one of the main methods of family planning, because IUD effective, easy to take, occasional complications, but also easy to lift, and the process Simple, cheap materials. However, due to the presence of the device such as pregnancy, shedding and time limit of placement, the wider application of the device has been affected. In order to solve the above problems, many scholars have conducted long-term clinical studies, especially after the placement of endometrial pathological changes observed, some as long as 18 years. Although no obvious signs of endometrial abnormalities and carcinogens, but also made a lot of material and form of the device to improve, but the device with pregnancy, loss of the problem has not been fully resolved. It seems the device with the pregnancy, loss and complications is the relationship