由于不锈钢节育环具有安全、高效、经济和简便等优点,它已成为当前我国妇女最常用的避孕工具.但是它也有一个不小的缺点:多数妇女带环后月经量明显增多,有的甚至持续数年,因而容易引起缺铁性贫血.据最近一次对浙江省慈溪县176名带环妇女的血液检查,虽然未发现她们的血红蛋白和红细胞明显降低,但血清铁蛋白却显著低于对照组(未带环组),这表明她们的铁贮备减少,有贫血趋向. Because of its safety, efficiency, economy and convenience, stainless steel birth control ring has become the most commonly used contraceptive tool in our country, but it also has a considerable disadvantage: the majority of women ring ring after menstruation increased significantly, and some even continued A few years, and thus easily lead to iron deficiency anemia.According to a recent blood count of 176 women with ring in Cixi County, Zhejiang Province, although they did not find their hemoglobin and red blood cells decreased significantly, but serum ferritin was significantly lower than the control group No ring group), which shows that their reduced iron reserves, there is a tendency to anemia.