TMI! Question...

Hi. THIS IS TMI!!!!!! For the past two weeks I've had sore and errect nipples and breasts. Its to the point two where I cannot hardly wear a bra and the feeling of a shirt on them hurt. I am 21 ; Never had anything like this before and have never been pregnant before. My period should have started on the 1st of this month. Getting a pregnancy test tomorrow. I guess my question is, has anyone had anything like this as an early pregnancy symptom? Thanks in advance. :)