Nexplanon Contraceptive Implant Update

Written by AlisonFreemantle on Wednesday 10th June 2026

From local Sexual Health Service

What is changing?

  • Nexplanon can now be used for 5 years for contraception
  • This is because a study found no pregnancies in years 4 and 5 in 399 women

What this means for patients

  • If someone already has a Nexplanon implant, they do not need it replaced at 3 years
  • They can keep it in for a further 2 years
  • Anyone getting a new implant should now be informed that it works for 5 years

After 5 years: The implant may not work anymore. If someone has unprotected sex after 5 years, they should be offered:

  • Emergency contraception (Levonorgestrel)
  • Copper IUD

Information leaflets

  • The leaflet inside the Nexplanon box has not been updated yet
  • A correct leaflet is available online

Bleeding and periods with Nexplanon

  • For the first 3 years, bleeding can be: irregular, unpredictable, sometimes heavy, sometimes absent (no periods)
  • There is no evidence yet about bleeding patterns in years 4 and 5
  • If bleeding changes: If someone has new or worrying bleeding at any time, they should be checked for:
  • Pregnancy
  • STIs (Chlamydia / Gonorrhoea)
  • Cervical or vaginal problems (speculum exam)

Possible treatments for bleeding (if safe for the patient):

  • Combined pill (unlicensed use)
  • Mefenamic acid for 5 days
  • Tranexamic acid for 5 days

Useful links

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