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 ...

In addition to preventing pregnancy, copper IUDs (Paragard) and two hormonal IUDs (Mirena, Liletta) can double as emergency contraception ... A small study investigated how effective a hormonal IUD ...

These include intrauterine devices or IUDs (such as Mirena), implants under the skin (such as Implanon), and injections (such as Depo Provera). Our new study, conducted by the University of ...