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经20余年官内节育器(IUDs)广泛应用后,现在世界范围内约有6千万以上妇女选用IUD。其中3/4在中国,英国估计约有60万左右妇女应用。本文对围绕IUDs 方面有争议的问题进行讨论。IUDs 作用方式:1909年首先提出IUDs避孕。80年代以后的今天对其作用方式的有关问题还不能定论。
After more than 20 years of widespread use of IUDs, more than 60 million women worldwide use IUD. Three quarters of them are in China and the United Kingdom estimates about 600,000 women apply. This article discusses the controversial issues surrounding IUDs. IUDs mode of action: First proposed in 1909 IUDs contraception. The question about the way of its action after the 1980s can not be finalized yet.