Plan B One-Step is an emergency contraceptive pill containing the hormone levonorgestrel. It is up to 97% effective and available as a generic.
Emergency Contraception: Where To Get It, How To Use It
The differences between the 'abortion pill' and the 'morning-after' pill
Rite Aid and others cap emergency contraceptive purchases
Restart™ Emergency Contraceptive — Stix
Plan B & the Abortion Pill: How Are They Different?
Where to find Plan B in Wisconsin: Pharmacies offer morning after pill
Generic Plan B, morning after pills free for some in Wisconsin
Taking arthritis drug with morning-after pill 'Plan-B' could boost contraception: study – NBC Boston
Plan B: Cost, Buying It, and How to Use It
More Women Turn To Morning-After Pill : Shots - Health News : NPR
Plan B: Cost and where to buy