How Does a Copper IUD Work? A copper IUD, or intrauterine device, is a small, T-shaped device made of copper or flexible plastic wrapped in copper. The doctor places it inside your uterus to prevent ...

Copper IUDs (intrauterine devices) are a form of birth control. IUDs are a safe and effective method of preventing unintended pregnancies. As of 2012, 11.6% of females in the United States use some ...

NEW YORK (Reuters Health) - A copper intrauterine device was 100 percent effective at emergency contraception in a study of almost 2000 Chinese women who had the device implanted up to 5 days after ...

Copper IUDs (intrauterine devices) are a safe and effective type of birth control. It works by preventing sperm from fertilizing any eggs. Learn more about how to determine whether it’s right for you.