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IUDs and the IUS

What are they?

IUD stands for intrauterine device, a small plastic and copper contraceptive that is placed into the uterus (womb) by a doctor. It works by stopping sperm from meeting an egg, or may stop an egg from settling in the womb. The IUS (intrauterine system) is a recent invention that is essentially an IUD containing slow-release progestogen. Both types of device have tiny threads that hang into the top of the vagina.

Advantages:

• Both methods last for five years, and start working as soon as they are put in


• They are easily removed by the doctor, and fertility returns quickly


• The IUS often causes lighter and shorter periods

• Neither of these methods gives any protection against sexually transmitted infections.


• Older types of IUD are more likely to cause pain, infection and heavy bleeding than the newer types.


• Rarely, IUDs can slip out of the womb, allowing an unplanned pregnancy.


• Most IUDs can only be used by women who have already had at least one pregnancy (a new IUD called Nova T380 is suitable for women who have not had children).


• The IUS has temporary side-effects in some users, including breast tenderness, irregular bleeding and acne.

• Women who have had an ectopic pregnancy


• Women who have heavy and painful periods


• Women who have untreated genital infections

• Patients with certain liver diseases


• Patients with severe heart or arterial disease


• Women who have untreated genital infections

• IUDs are 98 to 99% effective.

IUS is over 99% effective.

Disclaimer,   Target Audience,   Jurisdiction    Last updated & checked: 31/03/2006