Hi 4 or 5 months ago i took the plan b and it works i got my period to the very next 2 days so today me and my boyfriend we hava sex and he didnt pull out so after that we when to the pharmacy to get the pill (plaB) so i was wonder if this time is gonna work my period suppos to come on the 13th of this month but my question is if the pill is gonna work this time?