How effective is the contraceptive implant?

The contraceptive implant is an effective contraceptive method and prevents pregnancy more than 99% of the time. This means that in any given year, less than one in every 100 women will get pregnant while using the implant.

The efficacy of the contraceptive implant can be affected by other medicines, such as the herbal remedy St. John’s Wort and some drugs used to treat epilepsy. Please let your doctor or family planning nurse know if you are taking other medicines before you start using the contraceptive implant.

By clicking here you can find out more about the contraceptive choices available, including the contraceptive implant, Nexplanon
This link lets you download a pdf of the Nexplanon patient information booklet and diary card, which you can use to monitor changes to your periods during Nexplanon use.
Keep track of when to book your appointment to have Nexplanon removed.



Terms of Use
Privacy Policy

Date of Preparation March 2014
03-16 WOMN-1113627-0000

© 2014 Merck Sharp & Dohme Limited. All rights reserved.

Adverse events should be reported. Reporting forms and information can be found at
Adverse events should also be reported to Merck Sharp & Dohme Limited (tel:01992 467272)