Nexplanon Hormonal Implant

Nexplanon hormonal implants are highly effective long-term birth control contraceptive implant with rare incidence of pregnancy. It is a flexible plastic rod about the size of a matchstick that is placed under the skin of the upper arm. It lasts up to 4 years but can be removed at any time with a quick return to fertility. It’s important to note that Nexplanon may not be as effective in women with a body mass index (BMI) above 30. As with the IUD’s, the contraceptive implant doesn’t offer protection from sexually transmitted infections so please use condoms if you have any risk factors. The most common side effect is a change in your normal menstrual bleeding pattern. You may experience longer or shorter bleeding during your periods or have no bleeding at all. The time between periods may vary, and in between periods you may also have spotting.  Other potential side effects include abdominal pain, risk of noncancerous ovarian cysts, decreased sex drive, headaches, mood swings and depression, nausea or upset stomach, possible interaction with other medications, breast tenderness.

Nexplanon insertion:

  • You’ll lie on your back with your arm bent at a 90-degree angle.
  • Fleming will locate an area on the inner side of your upper arm, and she will inject a local anesthetic. Nexplanon comes in an applicator device, which is insert just beneath your skin. Inserting the device too deeply makes removal difficult.
  • After the procedure, you and Dr. Fleming will feel your arm to confirm the presence of the implant.
  • The insertion site will be covered with a small bandage, as well as a pressure bandage to minimize bruising. You can remove the pressure bandage in 24 hours, but keep the small bandage clean and in place for three to five days.
  • It’s common to experience some degree of bruising, pain, scarring or bleeding at the insertion site.

Please contact Dr. Fleming if there are any significant changes to your medical health or if you are experiencing any signs of infection or side effects since your Nexplanon insertion.

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    Office Hours:

    9:00AM – 5:00PM


    Conveniently located at Playhouse Square at the corner of Forest Street and Washington Street in Wellesley, MA.