Equally effective: These are both equally effective. There are quoted as over 99% effective. It is not likely that a Healthtap doctor can quote the Pearl index for each specific product of the top of their head but the manufacturers website will list this information inside the package insert describing the instructions for use.
Answered 3/7/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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