Advertising Specialty InstituteÂ® (ASI) is the promotional product industryâs largest membership organization offering media, technology, marketing and education to help cultivate success and community.
1 Start your pills today. 2  If you start your pills today, you should use a backup method of birth control (condoms with spermicide) during the first 7 days of the pill package. 3  Birth control pills will start to protect you from pregnancy after the first week, if you take them correctly.
Take Plan B One-Step Â® within 72 hours (3 days) after unprotected sex or birth control failure. The sooner you take it, the better it works. Plan B One-Step Â® emergency contraception is used as a backup method for birth control if, for example: 1  Your regular birth control failed (e.g., your partner's condom broke or slipped). 2  You made a mistake with your regular birth control method (e.g., you forgot to take your birth control pill).