I Had Sex With My Husband Using Condom..due To Breakage

I had sex with my husband using condom..due to breakage of condom i had immidiately used levonorgesterol 1.5 mg within 2 hours...i forgot that it was the first day of my regular menstrual cycle..soon after taking d pill..i started menstruating...but since i have used the pill my menses ceased( it was with in 15 mins after takin d pill so i am pretty sure that my bleeding is not due to pill) wen shld i expect my next menstrual period...my periods are regular and i always used barrier method for sex..so no chance of pregnancy..plz advise wen shld i expect my nxt period