7 days: Nexplanon is effective almost immediately. I usually advise my patients to use backup for about 7 days just to be safe. Since your insertion was 3 weeks ago you are protected.
Answered 6/22/2017
5.4k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
5 doctors weighed in across 4 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question