Help!!

Hey ladies, I need your help!!

I am currently CD 29 and 15 DPO. I have had all BFNs but I have a question.

TMI but my vaginal walls are really swollen/tight and I have no idea why. My SO and I were going to BD today but it was uncomfortable to. My CM has been kind of dry and white. Do you think this could be a sign of pregnancy or something else? TIA!