Hey my name isz amy im 19 years old.. i havent gotten my period the last month my last period was on july 26 2010 as of today i haven't gotten i took a pregnancy test like 3 days ago and it came out negative but this pass days i have feeling nausea and my breast swollen. today i felt cramping like if i was going to get my period but no sign of bleeding i always get my period the last 2 weeks before the months is over but still no sign. Could i be pregnant help advice?? i hope i am pregnant