Pregnancy Info HOME

Hi All, I was due to get my period on 6 june'08. Am 28 days long . But still din have any .I am ttc for 8 months. I m having mild cramp in stomach and very sore br___t.I used to get sore br___t before 1 week of my period but this time it started on June5. I m having terrible backache.I tested HPT and it shows (-)ve. I Jus feel I'm prego. Is it bcoz of low Hcg produced by my body,its showing negative. Do i need to test again. Do i need to consult a doc ?? Pls advice. :( I m really worried