Intrauterine devices (IUDs) are used by more than 150 million people globally. The newer generation devices are as safe and effective as female sterilization and more effective than oral contraceptives if properly and consistently used [Population reports (POP reports) 1997]. IUD birth control is a popular option that has existed since 1970. The product is about 99 percent effective and many women find it an excellent choice. However, you should consider the potential complications of the IUD before making a decision. IUD, including intrauterine devices, which are frames in plastic T-shaped, which are inserted into the uterus and are long lasting, reversible form of birth control. Two types of copper and hormonal versions are available in the United States and some complications may occur in the treatment of IUD. Complications do occur with IUDs, but many can be prevented with experience and expertise. Common complications are menstrual disturbances, pain, pelvic inflammatory disease, perforation, expulsion and failure resulting in intra-or extrauterine pregnancy.