Miscarriage or false 15 tests ?

Bl

At 10 wks pp I get 15 diff tests on 2 days time spam all positive today I re checked and I get this negative/ super fiant line what can this be , I ringed my OB she said I was never pregnant thous tests were all false positives what do you girls think I'm cramping really bad I feel horrible but relieved it came back negative today

Today's test:

I don't know what to think ....