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宫内节育器(IUD)临床应用已几十年了,为使之完善,许多学者对 IUD 的避孕作用进行了大量的研究工作,且对 IUD 的型式,规格及制作材料进行了很多改进。到70年代发展到用 IUD 作载体,以药物或磁性活性物质来加强 IUD 的抗生育作用,我国使用的 IUD 以不锈钢金属环为主,因其有安全,避孕效果好,便于检查等优点,深受广大育龄妇女的欢迎,但也有一些副反应,如月经过多,经期延长,腰痛,白带增多,脱落,带环受孕等。当前
IUD has been used clinically for several decades. To make it perfect, many scholars have done a lot of research on the contraception of IUD. Many improvements have been made to the type, specifications and materials of IUD. To the 70’s to use IUD as a carrier to drugs or magnetic active substances to enhance the anti-fertility of IUD, IUD used in China mainly stainless steel ring, because of its safety, contraception, easy to check and so on, the advantages of deep By the majority of women of childbearing age welcome, but there are also some side effects, such as menorrhagia, menstrual prolongation, low back pain, increased vaginal discharge, loss, with a ring of pregnancy. current