I had unprotected sex on d last day of my period n took postinor 2,I bled after some days n my period was 3days late but came on d 4th day heavy d 2nd a little light then 3rd light again n now its just spotting. My period is usually 6days but its now d 5day its just spotting. Is d EC or what? I took pt during d 3days I missed n its negative