In 2006, the FDA approved a single-rod, etonogestrel-releasing subdermal implant (ENG implant) or Implanon®. In November 2011, Nexplanon® was released. Nexplanon has a redesigned inserter ...

The etonogestrel-releasing subdermal (ENG) implant is the most effective reversible method of contraception; with a failure rate of 0.05%, its effectiveness rivals tubal sterilization. The implant ...