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Progestin Implant


Overview & Description

Progestin implants are a form of birth control used to prevent pregnancy.

Who is a candidate for the procedure?

Progestin implants consist of several small rods about the size of matchsticks that are placed beneath the skin. The rods contain progestin, which is similar to the female hormone progesterone. The rods are usually inserted under the upper arm. With progestin implants, a woman can get long-term, reversible birth control for up to 5 years.

These progestin rods prevent pregnancy in the following ways:

  • They change the lining in the uterus to prevent a fertilized egg from developing any further.
  • They inhibit ovulation, or the release of an egg from the ovaries.
  • They cause vaginal secretions to thicken to prevent sperm from traveling through the uterus to fertilize an egg.
  • Progestin implants are one of the most effective forms of birth control. They are nearly as effective as sterilization. They do not protect against sexually transmitted diseases, or STDs.

    How is the procedure performed?

    The procedure for inserting progestin implants is done in the healthcare provider's office. It takes about 20 to 30 minutes and is done under sterile conditions. Local anesthesia is used to prevent pain.


    Preparation & Expectations

    What happens right after the procedure?

    A woman can go home and return to normal activities right after the implants are inserted.


    Home Care and Complications

    What happens later at home?

    The arm is tightly wrapped for 24 hours. Mild bruising and discomfort are generally felt for the next 1 to 2 days. Over-the-counter pain medicines, such as acetaminophen or ibuprofen, can be used as needed for pain or swelling.

    Progestin implants are effective for as long as 5 years. At that time, they can be removed in the healthcare provider's office under local anesthesia. After the rods are removed, a woman's chances of becoming pregnant are not delayed as with some other forms of birth control. Her fertility returns within 24 hours.

    What are the potential complications after the procedure?

    There is less chance of getting pregnant with progestin implants than with oral contraceptives, or birth control pills. A woman does not need to remember to take a pill every day. Unfortunately, many women develop irregular vaginal bleeding. These problems may lead to a desire for implant removal. The irregular bleeding tends to improve after 3 to 6 months. Following are other possible side effects:

  • breast tenderness or discharge
  • skin irritation or itching at the insertion site
  • a small risk of infection at the insertion site
  • Any new or worsening symptoms should be reported to the healthcare provider.


    Attribution

    Author:Eva Martin, MD
    Date Written:
    Editor:Ballenberg, Sally, BS
    Edit Date:08/31/01
    Reviewer:Melissa Sanders, PharmD
    Date Reviewed:07/31/01