I had unprotected sex last month,within 24 hours I took an i-pill and that month I got my periods 1 day late,this month 22nd WS d date but till today I HV not got periods.i tested with preganews on 27th it showed negative ,after I HV tested twice on Monday and Wednesday it showed negative and twice I checked morning.i don't know what am I supposed to do now . Delay in periods is because of ipill? Or how many days I HV to wait to get my periods pls help .