Is im pregnant?

Hey name is Queena I'm 22 years old with three beautiful kids & we been married for 5 days an he been nuting inside of me for the past 2 month an when I went to the doctor 3 times an took a pregnancy test an they all came back negative an then I took 3 pregnancy test at home an it took me the same thing and I had the symptoms an for the pass two days I been throwing blood..........today me & my husband had sex an he nuted inside me So ladies I need your help I wanna know what's going on an is I'm pregnant or not.