一种像火柴棍大小的避孕工具近日在德国上市。德国是继荷兰、比利时、英国和奥地利之后第５个使用这种长效避孕工具的国家。 这种避孕工具是一个４ｃｍ长、２ｍｍ厚、非常柔软的塑料小棍儿。它的避孕有效期长达３年，而且安置方式也非常简单，只要埋进育龄妇女上臂皮下即可。这 A contraceptive like a matchstick has been listed in Germany recently. Germany is the fifth country in the world to use such long-term contraceptives after the Netherlands, Belgium, the United Kingdom and Austria. This contraceptive is a 4cm long, 2mm thick, very soft plastic stick. Its contraception is valid for up to three years, and the placement is also very simple, as long as women buried under the arms of childbearing age subcutaneous can be. This