Could I still be pregnant?

Here's a list of my symptoms:
Extreme fatigue 
Huge increase in cm(white & clear)
Peeing twice as much as normal
Back pain
Random heartburn
Bloody nose, never gotten one before
Emotional at times
Cramps for about 2 weeks
Sore boobs, especially the sides
Sensitive nipples
Blue veins on my boobs
Hot flashes
Extremely bloated, uncomfortable to suck in
I am now 8 days late and took a test a few days ago and it was negative. I'm not sure what this means. I've never had a late period. I had sex on my ovulation day. For about a week I seriously thought my period was coming because my boobs hurt and I was cramping but still a week later nothing. Could I still be pregnant if I'm getting negatives? 

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