Low: most methods quote a success rate 0f 98-99% if used correctly. Some methods like the diaphragm and condoms are less effective largely due to user mistakes
Answered 11/21/2016
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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
4 doctors weighed in across 3 answers
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