Vertical arrow pointing up showing the effectiveness of Progestin-Only Injectables. The bottom of the arrow is less effective and top of the arrow is more effective. A black bar is at the top of the arrow.Implants are one of the most effective and longest-lasting methods.

  • Far less than 1 pregnancy would be expected per 100 women using implants over the first year. Specifically, just 1 pregnancy would be expected per 1,000 women using implants over the first year, which means that 999 of every 1,000 women using implants will not become pregnant. Less than 1 pregnancy would be expected per 100 women over the duration of use of the implant.
  • A small risk of pregnancy remains beyond the first year of use and continues as long as the woman is using implants.
  • For heavier women, the effectiveness of Jadelle and Levoplant may decrease near the end of the duration of use stated on the label. These users may want to replace their implants sooner (see Question 9).

Return of fertility after implants are removed: No delay

Protection against sexually transmitted infections (STIs): None

Why Some Women Say They Like Implants
  • Do not require the user to do anything once they are inserted
  • Prevent pregnancy very effectively
  • Are both long-lasting and reversible
  • Do not interfere with sex