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Livermore, CA
A 33-year-old female asked:

If ive been on the same bcp a generic ortho tri cyclen, can it just stop working over time? ive been on the pill for 19 years and never missed one.

1 doctor answer3 doctors weighed in
Dr. James Ferguson
Pediatrics 46 years experience
Some basics: BCP's work primarily by keeping a hormone level in your system that prevents egg release when it would otherwise. Used consistently (no missed doses) it is quite effective. The pill effectiveness does not wain over time as do some pain meds. Any form of BC has a failure rate & the pill approaches 1%/yr. You may want to discuss an IUD or other system with your OBGYN if you want to change.

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Last updated Jun 26, 2019

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