i had unprotected sex last nite with my gf,i gave her unwanted 72 within an hour of post sex,but again today morning i had sex with her and now also m not sure, will that pill which i gave her last nite will work or i need to give her another pill..?? her period date is round about 12-14 of the month,i had sex sex on 1.6.14. Please help me..