Resumen

CARVALHO, Carolina Castro; REIS, Inês Silveira  y  MACHADO, Ana Isabel. Use of Etonogestrel implant beyond approved duration - A case report. Acta Obstet Ginecol Port [online]. 2022, vol.16, n.2, pp.163-165.  Epub 30-Jun-2022. ISSN 1646-5830.

The contraceptive implant is the most effective method of reversible contraception. Observational and trial data indicate that this method remains effective beyond the initially approved duration of use. We report a case of etonogestrel serum levels above the supposed threshold value for ovulation suppression nine years after implant insertion.

Palabras clave : Etonogestrel implant; Contraceptive effectiveness; Nexplanon®; Implanon NXT®; Family planning.

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