Hormonal Intrauterine Device (Mirena IUD)

When Should the Hormonal IUD Be Inserted?

The most suitable times for Mirena to be inserted are as follows:

The First Days of the Menstrual Period: Mirena is usually inserted within the first 7 days of the menstrual period, preferably on day 1 or 2. During this time, the cervix is more open, which makes the insertion procedure easier and more comfortable. Inserting it during this period also minimizes the chance of pregnancy.

After Vaginal Delivery: After a normal vaginal delivery, Mirena can usually be inserted 6 weeks after childbirth. This period is necessary for the uterus to recover and return to its normal size.

After a Cesarean Delivery: Similarly, after a cesarean delivery, it is recommended to wait 6 weeks. By the end of this period, the uterus will have healed and returned to its normal state.

After an Early Miscarriage or Abortion: If a woman wants to switch to a birth control method immediately after a miscarriage or abortion, Mirena can usually be inserted within the first week following the procedure. In this case, the recommendation of a doctor should be followed in order to minimize the risk of pregnancy.

During Breastfeeding: Insertion of the hormonal IUD is safe during breastfeeding. Mirena can be inserted 6 weeks after childbirth. Since it contains the progestin hormone, it has no negative effect on breastfeeding.

If You Are Certain You Are Not Pregnant: Mirena can also be inserted at any point in the menstrual cycle once it has been confirmed there is no risk of pregnancy. In this case, your doctor may perform a pregnancy test to confirm the situation.

Use for Treatment Purposes: Mirena is also used in the treatment of medical conditions such as heavy menstrual bleeding, endometriosis, and thickening of the uterine wall. In these cases, your doctor may determine a specific timing.

The best way to determine the right time to have Mirena inserted is to make a plan with your doctor, taking your personal health condition into account. Having the necessary examinations performed by a health professional before Mirena is inserted, and determining the appropriate timing, will increase both its effectiveness and your comfort.

Possible Side Effects of Using the Hormonal IUD

As with any medical procedure, certain side effects may occur when using the hormonal IUD. These side effects usually appear during the first few months of use and decrease over time. Common side effects of the hormonal IUD include:

Irregular Bleeding or Spotting: Irregular bleeding is common during the first few months.
Pain or Discomfort: Mild pain may be felt after the IUD is inserted.
Headache: Headaches may occur due to hormonal changes.
Breast Tenderness: Breast tenderness may occur due to the progestin hormone.
Mood Changes: Hormonal fluctuations can lead to changes in mood.
Acne: Some women may experience skin issues, particularly acne.

These side effects are usually mild and temporary. However, if serious side effects such as severe pain, heavy bleeding, fever, or pain during intercourse occur, a health professional should be consulted immediately.

How Is the Hormonal IUD Inserted?

Insertion of the hormonal IUD is usually a quick and simple procedure. However, it can also be performed under general anesthesia for patients who prefer it. Below are the general steps of this procedure:

Uterine Measurement: The doctor uses a speculum to open the vagina and make the cervix visible. The size and shape of the uterus are determined. This is important for correct placement of the IUD.
IUD Insertion: The IUD is placed inside the uterus using a special applicator, guided by ultrasound. This process is completed within a few minutes.
Check: After the IUD is inserted, an ultrasound check is performed to confirm that it is in the correct position.

Follow-Up Appointment: A follow-up appointment is usually scheduled a few weeks later. This check is important to confirm that the IUD is still in the correct position and to check whether any side effects have occurred.

Differences Between the Hormonal IUD and the Copper IUD

While hormonal IUDs prevent pregnancy through a hormonal effect, copper IUDs work through an entirely different mechanism. Once placed in the uterus, copper IUDs create a toxic environment for sperm, preventing fertilization. Hormonal IUDs thin the uterine lining, preventing a fertilized egg from implanting, and also cause changes in the cervix that make it more difficult for sperm to reach the egg. Copper IUDs are generally effective for around 10 years, while hormonal IUDs remain effective for 5 years. Although both types of IUD provide a high level of protection, their mechanisms of action and duration of effectiveness differ.

Who Cannot Use the Hormonal IUD?

Although the hormonal IUD is a safe option for many women, certain health conditions may make this method unsuitable. Conditions in which the hormonal IUD is not recommended include:

Serious Liver Disease: Use may be inadvisable in situations where hormonal changes could affect the liver.
Uterine Abnormalities: An abnormal shape or size of the uterus can make correct placement of the IUD difficult.
Pelvic Infections or STDs: IUD use is not appropriate for women with an active pelvic infection or a sexually transmitted disease.
Hormone-Related Cancers: For example, the hormonal IUD is not recommended for women with a history of hormone-sensitive cancers such as breast cancer.
Uterine or Cervical Cancer: Use of the hormonal IUD is not appropriate for women with a history of these types of cancer.
Suspected Pregnancy