IUS3An IUS is a small plastic device that works like an IUD but which also contains the hormone progesterone making periods lighter and less painful. It is more than 99% effective.

Considerations: It offers no protection from sexually transmitted infections and HIV/AIDS. There is a higher risk of infection for women with more than one partner.

Availability: It must be fitted by a doctor. This can be done by your GP or at a family planning clinic.

Effectiveness: It is more than 99% effective.