Pinching feeling and now late!

Asia
11dpo, 2 days late. Absolutely no signs of either pregnancy nor af. Glow has been pretty accurate with my periods, I haven't tested for o, but have BD when glow said to. For 3 days straight ending when my AF was due, I had an ever so slight pinch or pressure feeling consistantly in my lower left tummy below my belly button. I've gotten so many negatives over the years that I'm scared to test. Any one else experience the pinch feeling? And got af? What about a bfp?