Use of the etonogestrel-releasing contraceptive implant

Jaclyn Grentzer, Colleen McNicholas, Jeffrey F. Peipert

Research output: Contribution to journalReview articlepeer-review

6 Scopus citations


The single-rod, etonogestrel-releasing, subdermal implant (ENG implant) is the most effective, long-acting reversible method of contraception available. The failure rate of the ENG implant is 0.05%, which makes it more effective than female sterilization. It is discreet, easy to insert and remove, has no effect on future fertility and is associated with a number of noncontraceptive health benefits. The ENG implant is safe and effective when used in the postpartum and postabortion setting, and in women who have contraindications to estrogen. The most common reason cited for discontinuation is irregular and unpredictable bleeding. However, structured, preinsertion counseling can increase continuation and user satisfaction.

Original languageEnglish
Pages (from-to)337-344
Number of pages8
JournalExpert Review of Obstetrics and Gynecology
Issue number4
StatePublished - Jul 2013


  • contraception
  • contraceptive implant
  • etonogestrel implant
  • long-acting reversible contraceptive


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