Faint lines on Wondfo but negative Clearblue, could this be pregnancy?

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Yesterday Wondfo was stark negative and i decided to do a test with 3rd morning wee and i didnt really think anything would come of it but i got a faint line and then did another 4 with same batch of wondfo and same urine sample and all 5 came back with a faint line...but heres the kicker i did a clear blue 6 days early with same urine sample as the wondfo and was stark negative! I have no idea if im pregnant or if this is a faulty batch

I’d say faulty batch, those don’t look positive they look flooded

Restart in a few days with a different brand