Minimal: BC pill failure rates are listed as less than 5%/yr and many of those failures are due to improper use, skipped pills,etc. If you are taking them as prescribed, there should be no problem with effectiveness.
Answered 2/6/2017
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4 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
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