Help!!!

I have taken 3 pregnancy tests all came out positive with a faint line but I can see clear. I took them the week my cycle was supposed to come on and a week later I started bleeding with cramps but it wasnt like my period. At first I thought maybe it was the test giving me a false negative ( first response brand) so I took the family dollar brand of the first response still positive but the line was even more fade but I could still see it. I took a digital and it said not pregnant. What is going on could I be pregnant?