Health encyclopaedia - Alphabetical Topic List
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Disadvantages of Intrauterine system
Some temporary side effects can be experienced after an IUS is fitted. These include spotting or light bleeding between periods, headaches and breast tenderness. All these symptoms should be temporary and disappear within three months.
An uncommon side effect of the IUS is small cysts appearing on the ovaries. These are not dangerous and will not usually need to be treated.
Very rarely, an IUS will come through the cervix or womb (perforation) or be pushed out of the womb (expulsion). The IUS will need to be checked every three months in case of expulsion, as the woman may not be aware that this has happened. If the IUS perforates the womb a minor surgical procedure will be needed to correct the problem.









