据九个中心关于妇女保健研究的结果。授乳期置入宫内避孕器(IUD)的妇女,其子宫穿孔的危险性比非授乳期妇女置入IUD者高10倍。这项研究的目的是探讨应用IUD后的并发症,是由美国贝塞斯达的国立儿童保健和人体发育研究所赞助的。本研究的结果得自以下二 According to the findings of nine centers on women’s health research. Women who underwent intrauterine implantation (IUD) at lactation had 10 times more uterine perforation than non-lactating women. The purpose of this study was to investigate the complications associated with the use of IUDs sponsored by the National Institute of Child Health and Human Development, Bethesda, USA. The results of this study are taken from the following two