Mirena, also known as Hormonallud, is a type of intrauterine device (IUD) used for long-term contraception. It is a small, T-shaped device made of soft, flexible plastic that is inserted into the uterus by a healthcare professional. Mirena works primarily by releasing a synthetic form of the hormone progestin, called levonorgestrel, directly into the uterus.

The hormone release from Mirena thickens cervical mucus, making it difficult for sperm to reach and fertilize the egg. Additionally, Mirena may suppress ovulation in some users, providing an additional contraceptive effect.

One of the significant benefits of Mirena is its long-lasting effectiveness, as a single device can provide contraception for up to 5 years. Moreover, it can be removed at any time if a woman decides to conceive.

While Mirena is highly effective, it may not be suitable for everyone. Some women may experience side effects such as irregular bleeding, cramping, or changes in menstrual patterns. However, many users find that these side effects decrease over time.

It is essential for individuals considering Mirena to consult with their healthcare provider to determine if this contraceptive option aligns with their medical history and lifestyle.