TTC #1

Catlin • 19 and Married. TTC our 1st child together!
I'm 3 days away from being 19 and married. We are ttc #1. Im 14 days late and im tired, sore, emotional, and ALWAYS nauseous. I have PCOS but my periods are regular. Ive taken 4 tests and they all come out negative. Whats going on? Has anyone else felt like this?