The table below shows the formulation of common EC pills. For more detailed information of products available by country, please consult the ICEC pills database.
|Formulation (per pill)||Number of pills||Common Brand Names|
|1||Escapelle, Plan B One-Step, NorLevo 1.5, Vikela, Postinor 1.|
|2||Levonelle-2, NorLevo 0.75, Next Choice, Postinor 2|
Emergency contraception can prevent pregnancy up to 5 days after sex.
Note: Many progestin-only (levonorgestrel) brands of EC pills contain two pills, with instructions to take the second pill 12 hours after the first. However, research has found that levonorgestrel-only EC pills are more effective the sooner they are taken and can safely be taken as a single dose. ICEC therefore recommends taking levonorgestrel EC pills as a single dose, even when using two-pill products. (See our Regimen Policy Statement.)
Many brands of regular combined oral contraceptives can also be used to make EC, as can progestin-only minipills that are typically used as daily oral contraceptives (the most common brand of progestin-only minipills is Ovrette). Taking a higher dose of daily oral contraceptives to make EC is sometimes referred to as the Yupze regimen. (See more in our Yuzpe factsheet.) For information on what regular birth control pills are for EC use and are available in your country, please go to www.Not-2-Late.com.