Unknown: The levonorgesterl is reduced by 50%/day at 5 years. The manufacturer reccomends replacement at 5 years. Actually it is not known for sure why it even works.
Answered 8/7/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
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