Why is there a clear faint line on the top one (taken yesterday) and no line today? My boobs hurt and a few days ago I swear I got implantation cramps. What is going on?

Coco • 👰🏼 2017.06.03 👶🏻 2018.08.20 👶🏻 2020.04.18 PCOS / PREEMIE Momma Pregnant with a “surprise baby” #3 after infertility 🤰