Plan B One-Step (LEVONORGESTREL)
EnglishEn Español
ConsumersPrescribersPharmacists
FAQs    Pharmacy Request Card    Email a Friend    Pharmacy Locator
Sure you want to leave site? Cancel
Time Tool
Plan B One-Step® should be taken as soon as possible within 72 hours (3 days). When did you have unprotected sex or birth control failure?



Here is your result

Did you Know?
  1. Plan B One-Step® works in a similar way to birth control pills to prevent pregnancy.
  2. Sperm can live in the female reproductive tract for 5 to 6 days.1, 2

    1. Contraceptive Technology. 19th Edition
    2. Westhoff. Emergency Contraception. N Engl J Med 2003; 349:180-5.

  3. A woman's chances of becoming pregnant from unprotected sex are approximately 20-25% each menstrual cycle–even if it's her first time.3

    3. Harrison's Principles of Internal Medicine. 16th Edition.

  4. Douching, washing, or urinating after sex does not decrease the chances of conception, as sperm enter the cervix immediately and are out of reach.4

    4.The Cleveland Clinic Foundation. Contraception Myths. Available at: http://my.clevelandclinic.org/healthy_living/birth_control/hic_contra
    ception_myths.aspx. Accessed March 2010.

  5. A 28-day ovulation cycle is only an average; every woman's cycle is different and varies.1,2

    1. Contraceptive Technology. 19th Edition
    2. Westhoff. Emergency Contraception. N Engl J Med 2003; 349:180-5.

  6. A woman can become pregnant from unprotected sex that takes place any time from 5 days before ovulation to 1 day afterwards.1

    1. Contraceptive Technology. 19th Edition

  7. Plan B One-Step® is the only FDA-approved one-pill emergency contraception available over the counter for consumers 17 and older.*

Important Safety Information

Plan B One-Step® is intended to prevent pregnancy after known or suspected contraceptive failure or unprotected intercourse.

Plan B One-Step® isn't effective if you're already pregnant, and it won't terminate an existing pregnancy. Plan B One-Step® does not protect against HIV and other sexually transmitted diseases (STDs). Side effects may include changes in your period, nausea, lower abdominal pain, fatigue, headache, and dizziness. If your period is more than a week late, you may be pregnant. You should not take Plan B One-Step® if you are already pregnant. Plan B One-Step® should not be used as a routine birth control, as it is not as effective. If you have severe abdominal pain, you may have an ectopic pregnancy, and should get immediate medical help. You are encouraged to report negative side effects of prescription drugs to the FDA at fda.gov/medwatch or call 1-800-FDA-1088. Click here for full product information.

Information and SupportNews & MediaTerms of UsePrivacy PolicyContact UsSite Map

©2012 Teva Women's Health, Inc. All rights reserved.
Plan B One-Step® is a registered trademark of Women's Capital Corporation.
This site is intended for US audiences only.
M2924/120243