When does Nexplanon expire after insertion?
Nexplanon (etonogestrel implant) is designed to work for up to 3 years after it’s placed under the skin of the upper arm. After that point, it no longer should be relied on for birth control.
How can I check the Nexplanon expiration date on my device or paperwork?
The “expiration date” is typically determined by the insertion date plus the approved duration (up to 3 years). Clinicians often document the insertion date on your paperwork and sometimes in your medical record, and that insertion date is what’s used to determine when replacement is due.
If you’re looking for a printed date on the implant itself: Nexplanon is usually tracked by insertion date rather than a consumer-visible expiration printed on the device, so your clinic’s insertion documentation is the most reliable reference.
What happens if you keep Nexplanon past the 3-year mark?
Once the implant is beyond its approved duration, effectiveness for preventing pregnancy is no longer assured. If the implant is already past 3 years (or you’re unsure of the date), you generally need to talk to a clinician about replacing it and whether backup contraception is needed until you have a new implant in place.
Can Nexplanon be replaced early?
Yes. Many people choose to replace Nexplanon earlier than the 3-year timeframe, including if they want to switch contraception methods or when they’re approaching the end of the wear period. Your clinician can remove the old implant and place a new one.
Does Nexplanon expire the day you remove it or the day it hits the date?
Practically, you treat it as time-limited based on the insertion date and approved duration. If you’re close to the end of the 3-year period, it’s best to schedule replacement before the date you would consider “expired,” rather than waiting until it’s overdue.
Other important timing: replacement doesn’t protect you if it’s delayed
If you go past the expiration window without a replacement, you may need backup contraception and/or pregnancy testing depending on how late you are and when you last had unprotected sex. Your clinician can guide you based on your dates.
If you share your Nexplanon insertion date (month and year is enough), I can help you calculate the approximate due date for replacement.