Could i be Pregnant?

Hi there, I've only been having protected sex but I am wondering what you may all think: I was about 2 days late on my period but when it came it was severe cramps and lasted only 2.5 days. I was nauseous for about 5 days with dizzy spells and also extremely fatigued. My nipples have been sore and when massaged they excrete a few drops of white fluid. I am thinking a test would be next step but I was looking for some advice.