i had my period twice last month the first period was on schedule (started on may 7 ended on may 13-14) and lasted about 5-6 days which is normal about two weeks later i had some spotting (which i never had before)then i started my period again (started may 27 ended may 30-31) however this one only lasted about 3-4 days. in between periods i had unprotected sex several times with my boyfriend. i havent got my period again and it is june 7. could i be pregnant?