Intrauterine device (IUD)

What is it? Also known as a coil – an IUD is a small plastic and copper device, usually shaped like a 'T', which is fitted into the uterus by a doctor using a simple procedure. It works by preventing an egg from settling in the womb.

Advantages:
• Works as soon as it is put in and stays in place for 3-10 years but can be taken out at any time
• May be used as emergency contraception if fitted up to five days after sex
• Not affected by any other medicines
• Does not interfere with the spontaneity of sex
• There are no hormones involved so will not effect levels of fertility
• If fitted in women over 40 it can stay in place until after the menopause

Considerations:
• May cause heavier or more painful periods
• Small chance of infection during first few weeks after insertion
• Does not protect against sexually transmitted infections

Available from: Must be fitted by a medical professional and is available from your GP, local family planning clinic or specialist clinic such as Marie Stopes Reproductive Choices

Effectiveness: It is 98%-99% effective