ughhhhh

I was just trying on some clothes for tomorrow and im not kidding you about 4 days ago I could git into my jean shorts! and today i can't even button them!!!!! im 7 days late for my period but on my 3rd day of being late i got a neg test im so confused and my belly is sticking out more than normal definitely at the top under my boobs. ugh im so frustrated. i try working out eating right and everything nothing is working I use to be 100 lbs a year and half ago now I 165lbs and I just cant get if off im 19 with a two almost three year old and a husband! I just don't feel pretty or happy with my body.