Complications associated with IUD removal are rare but possible, including dizziness, lost or missing strings, breakage and device displacement.

The copper intrauterine device (Paragard) consists of a small, T-shaped piece of plastic with fine copper wire wound around it. After insertion into the uterus by a doctor, the device can remain in place for up to 10 years. The IUD is highly effective in preventing pregnancy.

The Mirena intrauterine device (IUD) is used to prevent pregnancy. It is inserted into the uterus by a health care provider. The device is T-shaped and made of plastic. It contains levonorgestrel, a synthetic female hormone that helps in preventing ovulation, which makes pregnancy unlikely.

When your doctor implants an intrauterine device to prevent pregnancy, he will provide you with after-care instructions, including when you can resume normal exercise. As soon as the IUD is in place, the FamilyDoctor website reports, you can resume swimming and your normal exercise routine.

The Mirena and copper ParaGard intrauterine devices, or IUDs, are the only types approved for contraceptive use in the United States.

Mirena is a soft, flexible plastic intrauterine device, or IUD, placed into the uterine cavity by a physician. It is used to prevent pregnancy or in women who have heavy periods. The device must be placed within seven days of onset of the menstrual period and may be left in place up to, but no longer than, five years.