Pregnant?

I took a first response test yesterday and both came out negative. My AF was suppose to be due on the 9th of last week. It’s 5 days week! My boobs feels sore, tender, and heavy. Also, I feel a heat/tingling sensation on my chest. I did have some slight nausea but it comes and go. The last time I had sex was last month of the 27th and on the 3rd with my boyfriend. We had unprotected sex and he came inside me btw! Could I be pregnant still even though a negative came out yesterday? Tomorrow I will be going to the doctor.