It depends on whether it's on time to stop you ovulating. Do you know where in your cycle you are? Day 1 is the first day of your period.
If it is in time to stop you ovulating, then Plan B is said to be 90% effective if taken within the first 12 hours after unprotected sex.
At its latest point, 72 hours later/3 days, it's said to be around 75% effective.
Search for questions
Still looking for answers? Try searching for what you seek or ask your own question.
Plan B One-Step - how would it work if I took plan b one step within an hour of the condom breaking?
Posted 3 Oct 2013 • 2 answers
Posted 17 May 2015 • 1 answer
Posted 31 May 2016 • 1 answer
Posted 26 Jul 2016 • 0 answers
Posted 15 days ago • 1 answer