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 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.

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