Help! 6 pregnancy test 4 faint positive last 2 neg

Brandy
Ive taken 6 pregnancy test various brands at various times of the day over the last 3 days.. 4 faint postives 2 negatives the 2 negatives within the past 24 hours.. Im still getting sick after eating but dont feel as if im pregnant anymore.. Chemical pregnancy? No bleeding of any kind other than spotting after sex last night.. Still have frequency