It varies: Sometimes switching birth-control pills can cause intermittent spotting. As long as the dosage and hormonal content is similar the contraceptive abilities usually don't change if the pills are taking accordingly.
Answered 7/29/2012
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3 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
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