Hi, its been about 3 1/2 weeks since i think i concieved. I am a few days late on my period but experiencing a few period symptoms that could be pregnancy symptoms. ive taken several test over the last few days but im confused. i took 3 generic band and they have faint positives. today i took a digital clearblue and it said not pregnant and i also took a rapid clear blue that has a very very light line. could i be pregnant?