Anyone?!

Has anyone had negative home tests, and actually was pregnant? I am on CD40, with 25 day normal cycles. Very regular. Latest I’ve ever been was 27 days. I have had several people ask me if I’m pregnant because I apparently glow? No AF symptoms at all. I had some pink, slightly bloody discharge cd 23, and nothing since then. I do have nausea all morning until 1 or so, then I can eat a little. Dull lower back pain, and some very light cramping. Im just so confused. Do I call the Dr’s office and see what they suggest? Is it still possible that I’m pregnant? I pee a lot in general, so could I be diluting my urine? I can’t physically hold my pee due to the shape of my bladder, so the longest hold on fmu was 1.5 hrs.