宫内节育器的使用已有半个多世纪的历史,全世界已有一亿妇女使用此种节育方法。我国自1957年开展节育器的工作以来,在全国应用也极广泛,使用者占避孕人数的50%以上。宫内节育器虽有其安全、有效、简便的优越性,但仍存在一些至今未能完全解决的问题,带器妊娠是其中重要者之一,特别是带器异位妊娠,常因有宫内节育器存在而将异位妊娠的症状,认为是宫内节育器的副作用,因而延误异位妊娠的诊断及治 The use of IUDs has been more than half a century old and has been used by over 100 million women around the world. Since the work of IUDs in China in 1957, our country has also been widely used in the country. Users account for more than 50% of the number of contraception. Although the IUD is safe, effective and easy to use, there are still some problems that have not yet been fully solved. Pregnancy with the device is one of the most important. Especially with ectopic pregnancy, IUD exists and the symptoms of ectopic pregnancy, IUD is considered a side effect, which delays the diagnosis and treatment of ectopic pregnancy