Skip to content

Intrauterine Device (IUD) for Birth Control

Make an Appointment

Our team is here to help you make an appointment with the specialists that you need.

Intrauterine Device (IUD) for Birth Control

Overview

The intrauterine device (IUD) is used to prevent pregnancy. It's a small, plastic, T-shaped device. Your doctor places the IUD in your uterus.

There are two types of IUDs. The copper IUD works for up to 12 years.footnote 1 The hormonal IUD works for 3 to 8 years, depending on which brand you have. Talk to your doctor about how long you can use your IUD. Once you have an IUD, you don't have to do anything else to prevent pregnancy.

The IUD usually stays in the uterus until your doctor removes it.

How well does it work?

The IUD is a highly effective method of birth control.

  • IUDs are more than 99% effective for preventing pregnancy.footnote 2 That means fewer than 1 out of 100 people who use an IUD as directed will have an unplanned pregnancy.
  • Most pregnancies that occur with IUD use happen because the IUD is pushed out of (expelled from) the uterus unnoticed. IUDs are most likely to come out in the first few months of IUD use, after being inserted just after childbirth, or in people who have not had a baby.

What are the risks?

Using an IUD is safe and rarely causes problems. But some possible problems include:

  • Menstrual problems. The copper IUD may increase menstrual bleeding or cramps. You may also have spotting between periods.
  • Perforation. This means the IUD passes through the uterine wall. Perforation is rare, but when it occurs, it's almost always during insertion. The uterus usually heals on its own after a perforation.
  • Expulsion. This means the IUD moves out of place. If expulsion occurs, it usually happens in the first few months of use. Expulsion is more likely when the IUD is inserted right after childbirth or in a person who has never been pregnant.
  • Unplanned pregnancy. Rarely, an unplanned pregnancy happens, especially if the IUD moves out of place. If an unintended pregnancy occurs, the IUD needs to be removed right away.

Related Information

References

Citations

  1. Ti AJ, et al. (2020). Effectiveness and safety of extending intrauterine device duration: A systematic review. American Journal of Obstetrics and Gynecology, 223(1): 24–35.e3. DOI: 10.1016/j.ajog.2020.01.014. Accessed August 29, 2022.
  2. Ti AJ, et al. (2020). Effectiveness and safety of extending intrauterine device duration: A systematic review. American Journal of Obstetrics and Gynecology, 223(1): 24–35.e3. DOI: 10.1016/j.ajog.2020.01.014. Accessed August 29, 2022.

Credits

Current as of: April 19, 2023

Author: Healthwise Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.