Intrauterine devices (IUDs) are small, T-shaped devices that are inserted into the uterus to prevent pregnancy. They are one of the most effective methods of birth control, and they can last for up to 10 years.
It is important to check the strings of your IUD regularly to make sure that it is still in place. The strings are thin, plastic threads that hang down from the IUD into the vagina. You can check the strings yourself by inserting a clean finger into your vagina and feeling for them.