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.
Pharmacists clear up misconceptions as demand for Plan B Spikes - ABC 36 News
Would a Plan B pill work if I crushed it in water? I took it two days before ovulation, will it still work? - Quora
The Morning-After Pill: How It Works And Who Uses It : Shots - Health News : NPR
Does Plan B Work During Ovulation? Your Questions Answered
Plan B One-Step Emergency Contraceptive
The Science of How Morning-After and Abortion Pills Work
Simple Ways to Know if Plan B Worked: 13 Steps (with Pictures)
How Effective is Plan B? Experts Discuss - GoodRx
Plan B:' How It Works
What is Plan B? Ask A Biologist
How Emergency Contraception Actually Works
Plan B vs. The Abortion Pill: What's the difference?
Plan B: The Facts - Whole Woman's Health
How Plan B and other emergency contraception work and how effective they are : Shots - Health News : NPR
Where to Buy Plan B One-Step