HCG fluctuation

Has anyone found out they were pregnant and have a positive test one day.. then a faint one the next.. negative the next.. faint the following day?

I’m confused because I got a BFP and now I get faint lines and some so faint I just call it a negative.

I am pumping all day for my 7 month old and not sure if pumping can effect the Hcg levels..

If anyone has had this happen, I’d love to hear your story or if you ended up pregnant.

I’m gonna call the doctor Monday morning.

(First 2 pictures are same test from 2 days ago with SMU)

(3rd Picture is from yesterday afternoon with SMU)

(4th Picture is today)

My FMU is not the best. I’ve found my SMU I get a darker line.