pregnant or not?

Hi guys ive been taking pregnancy test for 3 times already then it cames out negative last sept. 25-27 there is a small blood cames out, for me its spotting then 28-30 a blood became medium flow and on sept. 1 spotting blood cames out as a period ended. Then this october i still waiting for my period to come, the expected date of my period is oct. 24 but i ddnt feel any symptoms of menstruation. And im taking preg.  Test yesterday its NEGATIVE, do you thnk guys im preggy? Please help me thanks, and i ddnt feel also any symptoms of pregnancy.