This article was medically reviewed by Shari Forschen, NP, MA. Shari Forschen is a Registered Nurse at Sanford Health in North Dakota. Shari has worked in healthcare since 1996 and her expertise lies in acute care bedside nursing on a medical oncology floor. She received her degree from Medcenter one College of Nursing in 2003 and her Family Nurse Practitioner Masters from the University of North Dakota in 2014. Shari is a member of the American Nurses Association.
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Studies show that using an emergency contraceptive pill, like Plan B One-Step, can help prevent pregnancy after unprotected sex or when your birth control method has failed. You can buy the Plan B One-Step pill over-the-counter without a prescription at most drug stores, and following the directions for taking the pill will help to prevent pregnancy the most effectively. Experts note that you shouldn't use Plan B One-Step as regular birth control, but rather as an emergency contraceptive. [1] X Research source