Mirena, Kyleena, Skyla & Liletta - what's the difference

Among different forms of contraception, IUDs, or intrauterine devices are considered as effective, convenient and safe. Hormonal IUDs with levonorgestrel, a synthetic form of progesterone, a hormone naturally produced by the ovaries are among the popular choices. These contraceptive devices are inserted into the uterus to prevent pregnancy. Following subsections offer a detailed look at hormonal IUDs, including information to answer the common question Mirena, Kyleena, Skyla & Liletta – What’s the difference? All the four hormonal IUDs belong to the same overall category with certain differences among each.

Overview of hormonal IUDs Mirena, Kyleena, Skyla, and Liletta

IUDs with levonorgestrel offer several advantages including the high efficacy at preventing pregnancy, apart from being long-lasting. The reversible nature of these contraceptives make them more appealing and convenient for couples. Hormonal IUDs do not require daily or frequent administration, and also do not interfere with sexual spontaneity. These contraceptives are especially suitable for women who cannot or prefer not to use hormonal contraceptives in pill or patch form.

On the downside, IUDs with levonorgestrel do not protect against sexually transmitted infections, and it may be necessary to look at additional barrier methods to prevent STI.

How does levonorgestrel work?

As a synthetic form of the hormone progesterone, Levonorgestrel works primarily by exerting its effects on the reproductive system, influencing various processes involved in fertility and pregnancy, as outlined below:

The actual mechanisms of action of levonorgestrel may vary among different forms of administration. For instance, emergency contraceptive pills containing levonorgestrel, commonly known as “morning-after pills,” primarily work by delaying or inhibiting ovulation if taken before ovulation occurs. These pills are designed to be used within a few days after unprotected intercourse to reduce the risk of pregnancy.

Mirena, Kyleena, Skyla & Liletta – What’s the difference?

With all the background information about IUDs, it is now time to answer the above question. Mirena, Kyleena, Skyla, and Liletta are all hormonal intrauterine devices containing levonorgestrel; however, there are key differences among them, as listed below:

The choice of IUD depends on various factors, including personal preferences, medical history, and a proper assessment by a specialist healthcare provider.

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