Description
Plan B should be taken within 72 hours (3 days) after unprotected sex or birth control failure.Taking Plan B as soon as possible increases its effectiveness.You can conveniently find Plan B in the Family Planning aisle of major retail stores.No prescription or ID is required to purchase Plan B in any U.S. state, regardless of age.Plan B works by temporarily delaying ovulation or the release of an egg.Plan B One-Step is not effective if you are already pregnant and does not affect existing pregnancies.Plan B should not be used as a regular form of birth control.