Can anyone please explain this?!

Brittnee • Mama to two boxer pups, three angel babies, and my perfect rainbow baby boy born 8-4-21🌈💙

First response is giving me obvious positives and clearblue is faint and digital is saying not pregnant. My period was due yesterday so I know I’m pregnant but I’m wondering if the clearblue being negative/faint is a bad sign?? I’m 13dpo