Pregnancy test went from positive to negative after several hours

Emily • 🌈

I have had a mixture of test over the last 6 days mostly positives and then some negatives in the afternoon. I’m so confused. I took this one checked it and I seen a vfffl and then looked at it again a couple hours ago and it was negative. Anyone have this happen and still be pregnant. I’ll also post all the positive test below as well, they are the equate version of FRER.