How well does emergency contraception work?
The sooner you take it, the better it works!
Ella works up to 87.5% of the time when taken within 5 days of unprotected sex, or up to 99% of the time when taken within 1 day of unprotected sex.
Plan B (levonorgestrol) works up to 89% of the time when taken within 5 days of unprotected sex, or up to 98.5% of the time when taken within 1 day of unprotected sex.