Implanon Insertion & Removal

What is Implanon

The single rod etonogestrel contraceptive implant is available in Australia as Implanon NXT. It is a long-acting (up to 3 years) reversible contraceptive method, which is suitable for most women across the reproductive lifespan.

Implanon is at least 99.9% effective.

How Does Implanon Work?

The Implanon implant gradually releases progesterone into the bloodstream, effectively preventing pregnancy for up to three years. This contraceptive marvel achieves its goal by:

  • Inhibiting ovulation (the release of eggs from the ovaries).
  • Preventing thickening of cervical mucus, rendering it impenetrable to sperm.
  • Altering the uterine lining to create an inhospitable environment for pregnancy.

About the Implanon Procedure

The Implanon insertion procedure is quick and simple. Ideally, the implanon is inserted on days 1–3 of the cycle (day 1 being the first day of menstrual bleeding) when pregnancy is excluded, and is effective immediately. A tiny, flexible rod is inserted under the skin of your upper arm, typically performed under local anaesthesia to ensure your comfort.

The implanon should be removed or replaced at three years. It can be removed earlier for other reasons such as family planning. Implanon is removed using the ‘pop out’ technique, involving a tiny incision under local anaesthesia.

It’s advisable to have a thorough discussion with your doctor to explore the range of birth control options available and determine the one best suited to your particular situation.


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