Methods 982 women with IUD removal were randomly divided into two groups.The IUD extraction in group A was performed by forceps,in group B,the IUD was picked up with a surgery took.

• 方法将982位IUD取出术妇女随机分到实验组和对照组,实验组使用取环钳将IUD钳夹取出,对照组使用取环钩将IUD钩取出。