Plan B® is an emergency contraceptive that can be taken up to 72 hours after unprotected sex. But the sooner you take it, the more effective it is.
Will Plan B Work After Ovulation? - HubPages
Levonorgestrel - The Signs That Plan b Didn't Work
Does Plan B Work During Ovulation? Your Questions Answered
Does Plan B Always Work? Morning-After Pill Q&A with Experts
Here's How Emergency Contraception Actually Works
Plan B vs. The Abortion Pill: What's the difference?
Plan B One-Step Emergency Contraceptive, 1.5 Mg (1 Tablet) : Health & Household
What is emergency contraception and how does it work? Experts explain.
Will Plan B Work After Ovulation? - HubPages
Plan B: The Facts - Whole Woman's Health
Plan B One-step Emergency Contraceptive : Target