Am I pregnant?

Lyrik

Hi I’m lyrik I’m 17 I stopped taking birth control about a month ago because I lost my pills Ik Ik how do u loose your box pills well I did I’ve now taken one pregnancy test because I started to gain weight like really quickly and my boobs are really sore and bigger looking and I am rlly worried I took one test it was negative but my “boyfriend” is like I should take another just in case and I did the salt test and it looked positive so idk what to do rn I’m 3 days late on period could I be? Please help me out