The IUD is a birth control device that is placed in the uterus of a woman to provide effective contraception, such a birth control device is generally called the IUD, and the process of placing the IUD in the uterine cavity is called the IUD. This is the most common method of contraception for women, which is economical and safe. Some women are weak and may experience abdominal pain or vaginal bleeding after the IUD is placed in the uterus, and it takes six months to adapt to the IUD. The main role of the IUD is to play the role of contraception, when the position of the IUD in the uterine cavity has moved, it is also necessary to remove, the displaced IUD can not play a contraceptive role.