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Old May 30, 2013, 11:00 PM
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LiteraryLark LiteraryLark is offline
Crowned "The Good Witch"
 
Member Since: Jun 2009
Location: Wonderland
Posts: 11,542
Quote:
Originally Posted by hamster-bamster View Post
Mirena IUD + condoms - remember how to calculate the probability of two independent events co-occurring?..
There's still a chance, even if a fraction. It's probably the most effective but not 100% effective.