U.S. doctors online nowAsk doctors free
A 28-year-old female asked:

I've had the implanon in for 1.5 years. i didn't get a full period until now. has it weakened to the point to worry about getting pregnant?

1 doctor answer3 doctors weighed in
Dr. J Ricardo Loret De Mola
Fertility Medicine 34 years experience
No: The implant is over 99 per cent effective, which means less than one in 1, 000 women using it over three years will become pregnant. It last for 3 years and its still active for you, even if you are having menses.
Last updated May 13, 2013


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.