Understanding Your Odds: What Are the Odds of Getting Pregnant on Plan B?
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4 min read
According to Drugs.com, Plan B (levonorgestrel) is estimated to be 60% to 94% effective at preventing pregnancy when taken within 3 days (72 hours) of unprotected sex. While highly effective, this means that failure is still possible, and there is a small, but real, chance of getting pregnant on Plan B.
