This type of IUD locally diffuses a hormone, progesterone. Some women complain of side effects, especially with the Mirena IUD. Five questions for a gynecologist to understand its mode of action, its difference from a copper IUD, and to learn about the risks.
In 2017, the National Medicines Safety Agency (Ansm) launched an investigation into hormonal IUDs, faced with numerous reports of side effects. Headaches, abdominal pain, anxiety … In a short time, thousands of cases were notified to health authorities, while social networks roared with alarming rumors. The results of the survey conducted by the Ansm, rather reassuring, calmed the game.
If, after laying this intrauterine device (IUD), some inconvenience may occur, in principle, everything is quickly back to normal. If this is not the case, do not hesitate to talk to your doctor. “It is the role of the gynecologist to respond to his patient’s complaint, if necessary by removing the IUD if she wishes,” assures Dr. Marie Veluire, the gynecologist.
How does a hormonal IUD work?
This type of IUD has a triple action, due both to the progesterone, levonorgestrel and the device inserted into the uterus.
- The presence of the IUD causes a slight inflammation which inhibits the mobility of the sperm.
- The device creates an obstruction, which de facto limits the possibility of implantation of a fertilized egg.
- The levonorgestrel atrophy of the endometrium, the lining of the uterus. All nesting becomes impossible.
What are the differences between all the models?
The three models on the market (Mirena, Jaydess and Kyleena) broadcast a progestogen, the levonorgestrel. They differ according to their diameter, dosage and duration of action of 3 to 5 years.
What impact on the rules?
The copper IUD tends to increase the volume of menstruation. With the hormonal IUD, it’s the opposite. Progesterone atrophies the lining of the uterus. The endometrium being thinner, the periods will not be abundantor even non-existent. For a while, there may be small, uncontrolled bleeding. “Their duration is very variable. Usually, it lasts from one to three months, ”explains the gynecologist.
A greater risk of acne with a hormonal IUD?
“All progestins promote acne breakouts,” says Dr. Veluire. The hormonal IUD is contraindicated at the women with a history of severe acne.
Is the mood disturbed?
The risk of depression and anxiety is mentioned in the package leaflets, although no link with levonorgestrel has been scientifically established.