What are the side effects of Mirena?

What are the four major side effects of using Mirena? Mirena is a method of treating adenomyosis. It has certain side effects. Today I will list some typical side effects for everyone, so that female friends who want to use Mirena can have an idea in their hearts.

Blood flow is low or menstruation is prolonged: The Mirena ring releases a daily dose of levonorgestrel into the uterine cavity. The higher concentration of progesterone in this area can inhibit the growth of the uterine wall. Therefore, the uterine wall that is shed during menstruation is too thin, and bleeding will be relatively reduced. After using the Mirena IUD for one year, women only had bleeding during each menstrual period on average. However, this condition is only a partial effect. The normal endocrine system of the uterus and ovaries is not affected. This kind of less menstrual flow makes women more relaxed, and once it is removed, the menstrual period can be quickly restored within a month.

Of course, some women may experience increased menstrual periods and irregular periods in the first few months after having the Mirena IUD inserted. However, these symptoms will generally disappear within 3-6 months. These are all normal reactions of the uterus to hormones. There is nothing abnormal.

Amenorrhea: The post-exposure interactions of the Mirena ring were also quite unexpected. Each of its tiny markers seems to detect that the uterus is unwilling to accept the fertilization of sperm and egg, and is unwilling to accept the resulting menstrual period. Therefore, after using the Mirena ring for one year, about 10% to 20% of women will experience amenorrhea.

The Mirena ring releases a daily dose of levonorgestrel into the uterine cavity, causing the endometrium of these women to thicken every month and stop or relieve menstrual bleeding. This type of menstrual interruption after using the Mirena ring is temporary, and the menstrual period will resume after the Mirena ring is removed.

Rupture: This is very rare with the Mirena IUD. The IUD may cause rupture or perforation of the uterus or cervix, in which case the IUD must be removed.

Obesity: Some women who wear Mirena may experience weight gain, increased blood pressure, back pain, headaches, nausea, depression, spots, darkening, and acne. At present, there is no accurate information to confirm that these symptoms are completely caused by the Mirena IUD. Because of differences in each body, such as different physical fitness and mental state, the symptoms that occur are also different. However, the probability of developing such symptoms is relatively low and will not have a significant impact on physical and mental health.

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