Intrauterine Device (IUD)

What is an IUD?

An IUD is a long-acting reversible contraception (LARC) for women. It is a small device that is fitted inside your womb and can stay in place for more than 5 years.

How does it work?

There are 2 types of IUD – Mirena which contains the hormone progesterone and
Copper IUDs.

Both types of IUD work by stopping the sperm moving through the womb towards the egg. If the egg does become fertilised, the IUD prevents the egg from settling (implanting) into the womb.

IUDs are more than 99% effective at preventing pregnancy.

Where can I get an IUD?

You will need to see a nurse or doctor to decide whether an IUD is the right contraception for you.

Having an IUD inserted is a very simple and safe procedure. It can be done by a doctor or nurse at a sexual health clinic and will take around 5-10 minutes.

To find a GP (doctor) clinic or sexual health clinic in Hawke’s Bay, click here.

What are the benefits of an IUD?

• Fit and forget – you don’t need to remember to take a pill every day
• Long-acting – an IUD will last for more than 5 years
• It is more than 99% effective at preventing pregnancy
• You can have your IUD removed at any time
• It has no permanent effect on your fertility – as soon as you remove the IUD, you can become pregnant

What are the disadvantages of an IUD?

• An IUD has to be inserted and removed by a doctor or nurse
• You may get irregular, light bleeding for more days than usual
• There is a very small chance (1%) of getting an infection when the IUD is inserted
• Occasionally the IUD can come out by itself

Does an IUD protect against STIs?

No, an IUD does not protect you against STIs. To protect against STIs, you should use a condom every time you have sex.