PLEASE HELP!! NEGATIVE BUT POSITIVE?!

Aleena

Hi guys, i posted on here a couple of days ago as i did 2 first response pregnancy tests and they both came back with and extremely faint positive! Decided to test again today with a clear blue digital (weeks detector) but it came back saying “Not Pregnant” so me being abit taken back ive opened the test and got out the sticks both of them have a second line so im really confused?! Am i pregnant or arent i 😩 so desperate to know as i had a missed misscarriage 2 months ago and had to have surgery to remove my two twin babies 💔 really want this to be a yes as this is 3 tests now that are faints. Please help with opinions guys!