AF...to be or not to be....

AF due today...no signs of her.... No symptoms now. Only a little nausea between 10 - 12 DPO and I did have cramping from 2 DPO to 8 DPO. But that's it. The only reason I'm not taking a pregnancy test is because I'm away for a work trip and not so easy to get out and buy a test and take it privately. We are paired up in rooms. 
I'm 28 y/o. Very regular 29/30 day cycle. Never missed a period. Period has only ever been late by 1 day in my life. I think I ovulated 6/5 or 6/6. BD only 6/3 and 6/4. 
Could I be pregnant?

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