IUD (coil)

The Inter-uterine device (IUD) also known as the Coil, is a small plastic and copper device, sometimes T-shaped, which is inserted into the womb. 

As a method of contraception the IUD is very effective (98-99%) and works for between 3 to 10 years depending on the type fitted. It can also be used for emergency contraception up to 5 days after sex. 

However, like the pill, injections, and implants, the IUD does not offer any protection against sexually transmitted infections. If there is any possibility of infection, condoms should be used as well. 

Most women who use IUDs have usually already tried other contraceptives (including the pill) first. Some women find it hard to remember to take the pill every day, are concerned about hormone-based contraceptives, or have been advised to stop using oral contraceptives because of medical factors such as high blood pressure. 

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They got advice and information about IUDs from their doctors, Family Planning and Brook clinics. Leaflets gave them the pros and cons of each method and helped them know what to expect after being fitted with an IUD (possible heavy bleeding and period like pain for a few days).
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Some women are concerned about using an IUD, but most who use them report few side effects. However, there can be problems with bleeding or getting pregnant whilst using the IUD.
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Other women won't consider using the IUD, as they know people who've had bad experiences. Some prefer a method they can take every day. However many women chose the IUD because they like the idea of a long-term, effective method that you don't have to think about every time you have sex. 

 

Last reviewed April 2010.

Last updated April 2010.

Sexual health