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Intrauterine Device (IUD) Insertion: Care Instructions

Two types of intrauterine devices or IUDs

Your Care Instructions

An intrauterine device (IUD) is a very effective method of birth control. It is a small, plastic, T-shaped device that contains copper or hormones. The doctor inserts the IUD into your uterus. You can have an IUD inserted at any time, as long as you aren't pregnant and you don't have a pelvic infection. If you and your doctor discuss it before you give birth, this can be done right after you have your baby. A plastic string tied to the end of the IUD hangs down through the cervix into the vagina. Your doctor may have you feel for the IUD string right after insertion, to be sure you know what it feels like.

There are two types of IUDs. Copper IUDs work for up to 10 years depending on which IUD is used. Hormonal IUDs work for up to 5 years, depending on which IUD is used. But your doctor may talk to you about leaving it in for longer. The hormonal IUD also reduces menstrual bleeding and cramping.

Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.

How can you care for yourself at home?

  • It's safe to use while breastfeeding.
  • You may experience some mild cramping and light bleeding (spotting) for 1 or 2 days. Use a hot water bottle or a heating pad set on low on your belly for pain.
  • Take an over-the-counter pain medicine, such as acetaminophen (Tylenol), ibuprofen (Advil, Motrin), and naproxen (Aleve) if needed. Read and follow all instructions on the label.
  • Do not take two or more pain medicines at the same time unless the doctor told you to. Many pain medicines have acetaminophen, which is Tylenol. Too much acetaminophen (Tylenol) can be harmful.
  • If you want to check the string of your IUD, insert a finger into your vagina and feel for the cervix, which is at the top of the vagina and feels harder than the rest of your vagina. You should be able to feel the thin, plastic string coming out of the opening of your cervix. If you cannot feel the string, use another form of birth control and make an appointment with your doctor to have the string checked.
  • If the IUD comes out, save it and call your doctor or nurse advice line. Be sure to use another form of birth control while the IUD is out.
  • Use latex condoms to protect against sexually transmitted infections (STIs), such as gonorrhea and chlamydia. An IUD does not protect you from STIs. Having one sex partner (who does not have STIs and does not have sex with anyone else) is a good way to avoid STIs.

When should you call for help?

Call 911 anytime you think you may need emergency care. For example, call if:

  • You passed out (lost consciousness).
  • You have sudden, severe pain in your belly or pelvis.

Call your doctor or nurse advice line now or seek immediate medical care if:

  • You have new belly or pelvic pain.
  • You have severe vaginal bleeding. This means that you are soaking through your usual pads every hour for 2 or more hours.
  • You are dizzy or light-headed, or you feel like you may faint.
  • You have a fever and pelvic pain or vaginal discharge.
  • You have pelvic pain that is getting worse.

Watch closely for changes in your health, and be sure to contact your doctor or nurse advice line if:

  • You cannot feel the string, or the IUD comes out.
  • You feel sick to your stomach, or you vomit.
  • You think you may be pregnant.

Where can you learn more?

Go to

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Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.