Need some answers!! 😯

Carrie-Lynne • Mommy of 3 angels 💙💙 Feb. 23, 2015 & Jan,2016 & April,2019 Currently trying for our rainbow baby 🌈
Ok so the past 3days I've had a pinching feeling in my (right & left) abdomen, no sharp pain just a little uncomfortable. I'm 11dpo. AF due 8/14. I test this morning on 8/11 got a neg. What could be causing this?