Follow these instructions for oral contraceptives that can be used for emergency contraception in the United Statesa:
| Brand | First Doseb | Second Doseb (12 hours later) |
|
| Progestin-only pills | |||
| Plan B | 2 white pills | Noneb | |
| Combined progestin and estrogen pills | |||
| Alesse | 5 pink pills | 5 pink pills | |
| Aviane | 5 orange pills | 5 orange pills | |
| Cryselle | 4 white pills | 4 white pills | |
| Enpresse | 4 orange pills | 4 orange pills | |
| Jolessa | 4 pink pills | 4 pink pills | |
| Lessina | 5 pink pills | 5 pink pills | |
| Levlen | 4 light-orange pills | 4 light-orange pills | |
| Levlite | 5 pink pills | 5 pink pills | |
| Levora | 4 white pills | 4 white pills | |
| Lo/Ovral | 4 white pills | 4 white pills | |
| Low-Ogestrel | 4 white pills | 4 white pills | |
| Lutera | 5 white pills | 5 white pills | |
| Lybrel | 6 yellow pills | 6 yellow pills | |
| Nordette | 4 light-orange pills | 4 light-orange pills | |
| Ogestrel | 2 white pills | 2 white pills | |
| Ovral | 2 white pills | 2 white pills | |
| Portia | 4 pink pills | 4 pink pills | |
| Quasense | 4 white pills | 4 white pills | |
| Seasonale | 4 pink pills | 4 pink pills | |
| Seasonique | 4 light-blue-green pills | 4 light-blue-green pills | |
| Tri-Levlen | 4 yellow pills | 4 yellow pills | |
| Triphasil | 4 yellow pills | 4 yellow pills | |
| Trivora | 4 pink pills | 4 pink pills | |
a Plan-B is the only dedicated product specifically marketed for emergency contraception. Alesse, Aviane, Cryselle, Enpresse, Jolessa, Lessina, Levlen, Levlite, Levora, Lo/Ovral, Low-Ogestrel, Lutera, Lybrel, Nordette, Ogestrel, Ovral, Portia, Quasense, Seasonale, Seasonique, Tri-Levlen, Triphasil, and Trivora have been declared safe and effective for use as ECPs by the United States Food and Drug Administration. Outside the United States, more than 50 emergency contraceptive products are specifically packaged, labeled, and marketed. Levonorgestrel-only ECPs are available either over-the-counter or from a pharmacist without having to see a clinician in 50 countries. On August 24, 2006, the FDA approved Plan B for nonprescription sale to women and men 18 and older.
b The label for Plan B says to take one pill within 72 hours after unprotected intercourse, and another pill 12 hours later. However, recent research has found that both Plan B pills can be taken at the same time. Research has also shown that all of the brands listed here are effective when used within 120 hours after unprotected sex.