The Mirena IUCD is an intra uterine device which contains a small dose of progesterone hormone.
It can be inserted in the rooms or may require a light general anaesthetic depending on the age of the woman, the number of children she has had, and also the clinical circumstances.
The Mirena IUCD is used in the management of heavy periods.
It is ideal for:
1. Women with symptoms of endometriosis who also have heavy periods.
2. Women with heavy, regular periods with a relatively normal size uterus
3. The Mirena IUCD is a very effective contraceptive
If there are concerns regarding the nature of the heavy periods or if there is irregular vaginal bleeding, a Hysteroscopy (inserting a telescope into the uterus) may be combined with insertion of the Mirena IUCD. This is a day case procedure.
Following Mirena IUCD insertion:
- There is a small risk of infection in the first week to 10 days
- There may be uterine cramps in the first few weeks
- Periods are often irregular for the first 3-4 months
- After 3-4 months the periods become lighter and on occasion stop altogether
It is important to have the Mirena IUCD strings checked 1-2 weeks after insertion to make they are sitting in the appropriate place.
The Mirena IUCD can stay in place for up to 5 years before needing to be removed and/or changed.
Approximately 80% of women who have a Mirena IUCD find it very satisfactory.
20% of women who have a Mirena IUCD have it removed because of irregular bleeding, pain or side effects related to the progesterone such as fluid retention, acne or exacerbation of premenstrual symptoms.
The Mirena IUCD is not as effective in women who have an enlarged uterus due to fibroids, and in women who have a significant pain component associated with their heavy periods.
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