No: Mirena (levonorgestrel) is very effective contraception. The risk of pregnancy is on the order of 1/1000 per year. If you are in a monogamous relationship, the risk of an std is low. You don't need a back-up method.
Answered 6/30/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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