Can Cerazette Be Used To Prevent Pregnancy?

yes please.. if you have unprotected sex and u want to prevent pregnancy... can you use Cerazette?? in combined quantities...
this has happened to me a long time ago and the only thing i remember the doctor said to me is to take 3 pills per day... i remember.... and that's it.. but i want to make sure that this type of pills is ok... and how do i take them.?
thank you.