Bloated

Im 7 days late from AF but im so bloated, im always with a headache, im always tired. im having all the same symtoms like I had with my 1st pregnancy. i did a pregnancy test on the 22 but it was negative and is driving me nuts but I dont thrust prego test cause I was 6 weeks pregnant from my daughter and I used to do test at home and they were all negative till I went to the Dr and they did bllod work and i was pregnant.