Contraceptive implants: Implanon

Friday, December 31, 2004
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Implanon is a small contraceptive implant that lasts for three years.

Just four cm long and two mm wide (match stick size), it is inserted by a doctor trained in the procedure, under the skin just above the inside of your elbow.

How does Implanon work?
Implanon contains a hormone, like progesterone, which prevents pregnancy by stopping ovulation.

Advantages:

  • While the implant can be felt, it cannot be seen
  • It is inserted very simply after a local anesthetic numbs the area
  • The procedure takes just a few minutes and lasts three years
  • Depending upon when in your cycle it is inserted, it can be effective immediately or within seven days of insertion
  • After removal, a woman's ovulation, and fertility returns to normal within three weeks
  • It is almost 100 percent effective
  • Removal is quick and easy
  • It is available on prescription via the PBS.

What are the disadvantages/side effects?

  • Irregular vaginal bleeding
  • Acne
  • Headaches
  • Breast pain
  • Possible weight gain
  • If it fails, an increased risk of ectopic pregnancy

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