i think i might be pregnant

on dec 8 i had a light period for 2 days and on the 3rd day it was light brown that whole day and half the next. then it just stoped. on the 20th i started feeling pregnancy symptoms like going to the bathroom 3-4 times an hour and swollen and very tender breasts and my nipples are erect 24-7 now and im feeling very tired and having moodswings and feeling lightheaded and hungry all day long. but i’ve took three test and all were negative. should i wait to see if isart my period on the 7th? someone please help me. i dont know what to do:unsure: