what is going on 😒😣???

so from the 1st till the 9th i spotted i took a pregnancy test on the 12th it was nrgative went tot the hospital got a blood test and pregnancy test both negative on the 14th i used the tissue as a liner cos i didnt have any and i look and see this but i dont understand why unless it was to early to test and i am pregnant. idk cos im irregular so im confused.