作者对86例使用三种不同宫内节育器(IUD)的健康妇女于放器前及放器后第1、6、12周期进行月经血量(MBL)、血清铁蛋白(Fer)和血红蛋白(Hb)的测定、研究表明放器后以麻花环和TCU22oC—IUD为一类,和LNG—1UD之间存在着极为显著的差别:平均MBL前者增加77％,达94.7mL,后者减少7％,下降51.8mL;Fer≤14ng/mL的例数比,前者第12周期增至48.1％,后者第6周期下降至11.1％;Hb11.og/dL的例数比,前者第 The author of 86 healthy women using three different intrauterine devices (IUD) before and after the release of the device 1, 6, 12 cycles of menstrual blood (MBL), serum ferritin (Fer) and hemoglobin Hb), the study showed that there was a very significant difference between LNG-1UD and raprosy and TCU22oC-IUD after the ampoules: the mean MBL increased by 77% to 94.7 mL, while the latter decreased by 7% , Down 51.8mL; Fer ≤ 14ng / mL of the number of cases, the former 12th cycle increased to 48.1%, the latter 6th cycle decreased to 11.1%; Hb11.og / dL the number of cases, the former