ladies input please!

Emilee • 💙10-19-18 Liam💙 💕twins 4-4-23💕 Rip3-25-17👼🏻 4-14-22 👼🏻
Af was due December 4 th according to glow another app said the 11th either way no period. One positive test December 10 th with first morning pee. I tested 3 days later test had a vfl and then two days later it was negative and then I took another one and it was negative as well. What is going on any ideas?