宫内节育器(intrauterine device,IUD)是一种效果好、可逆且成本低的避孕方式,主要副反应为阴道出血。2012年嘉峪关市计划生育服务中心为峪泉镇育龄妇女更换IUD,遇阴道大出血2例,经处置后好转并痊愈,现报道如下。1临床资料病例1,女,38岁,早2产1,置器15年(三角环)。平时月经规律,月经周期为4～5 d。月经净4d后,于2012年12月8日在我科更换IUD,取出三角环,部分粘连,置入圆环,手术顺利,无不适。置环 Intrauterine device (IUD) is an effective, reversible and low-cost method of contraception. The main side effect is vaginal bleeding. Jiayuguan City, family planning service center in 2012 Yuquan town of reproductive age women to replace IUD case of vaginal bleeding in 2 cases, after treatment improved and healed, are reported below. 1 Clinical data Case 1, female, 38 years old, early 2 production 1, device 15 years (triangular ring). Normal menstrual regularity, menstrual cycle is 4 ~ 5 d. After menstruation net 4d, on December 8, 2012 in our department to replace the IUD, remove the triangular ring, part of the adhesions, into the ring, the operation goes well without any discomfort. Set the ring