Currently experiencing dizziness like every time im sitting down and i get up i get like really dizzy my nipples are really sore this has been going on for about a week ago my period is due Tuesday 5/30/17 and i NEVER have any kind of symptoms before or furing my period i am 25yrs i started getting my period since i was 10yrs old always on time like always! I took a pregnancy test this morning but was a big fat negative 😞 any advice? What should i do??