Table 2. Oral Emergency Contraception Options Available in the United States

*Plan-B and Preven are the only dedicated products specifically marketed for EC. The remaining have been declared safe and effective.10

+Treatment schedule is 1 dose within 120 hours after unprotected intercourse and another dose 12 hours later. See text for updated dosing information.

The progestin in Ovral, Lo/Ovral, Low-Ogestrel, Cryselle, and Ovrette is norgestrel, which contain 2 isomers, only 1 of which (levonorgestrel) is bioactive; the amount of norgestrel in each tablet is twice the amount of levonorgestrel.