SO FRUSTRATED! 😢

Rena • I love my family & Wife of a Military Vet
I normally have 29cd. Today make 31cd.. as you can see in late. I have been having a few symptoms. So today I took a CB Digital pregnancy test ( I didn't use my morning urine 😩) & it came back a BFN! I'M SO FRUSTRATED!!!! Have anyone used this test & got a BFN then later got a BFP?? I'm thinking I'm anywhere between 15dpo-17dpo