Last period was on 1st june..unprotected sex on 7th june consumed ipill within 3 hours..pre bleeding of dark brown colour for 4-5 days from 14-18 june..again unprotected on 30 june but withdraw before ejaculation..no periods till now..checked by prega news on 1st 2nd 6th july..all time negative..suggest what do to..when next periods will be or is there any pregnancy??