hi..i m so worry..i always used condoms during sex with my bf ..i just got a new job and i am under alot of work pressre these days,.i had light spotting for 3 days..then i took home pregnancy test for 3 times and all negative,,then i tested again after 1 week of spotting but result was still negative..now i am nearly 11 days later then my normal period..it was supposed to be on 16th of may but now its 27th of may..still no periods..and also i m not feeling any pregnancy signs like morning sickness, tiredness, cramps..etc...plz help me...what can be the reason..??? :-)