I need some help me and my bf had sex on July 29 and that Friday at 12:00 am I took the plan be pill well the next month my period was weird an it came on Aug 8 and it hoy heighter on Aug 10 the day I went to the doctor. And I took a urine test and I was negative but had a infection. So my period last till Aug 12 but now this month in September I haven't had z period. No signs of pregnancy nothing....idk what to do