2nd may was my last periods..on 19th i had unprotected sex after which immediately in 15-20 mins i took ipill...next periods date was 2nd of june....on 29th-30th may i had 2-4 drops of bleeding after urinating...on 31st may i had light bleeding with thread like blood and also had little period like pain from 1st june-4th june i had light bleeding on 5th june morning i took my pregnancy test using kit and it shows negative... what should i do next..shall i take a pregnancy test again or m i safe now...plz guide