Pregnancy signs? need help,

unprotected sex, pretty much the whole two weeks around ovulation..

-really bloated
-late period, by a week or more..
-nausa
-boobs dont feel normal, like watery n sore.. gotten bigger,
- cramps all over stomach down and up:s just not feeling good at all
-really emotional at anything,
-tired
-watery mouth, feeling like im always gunna puke
-watery discharge, not like before a period
-hot and cold,
-took a pregnancy test this morning and was negative but then again it was a 3 dollar test..

anyhelp?