What do you guys think?

Glow says period in 1 day. I had spotting on thursday and today i woke up with lower back pain! Can this be a BFP?

UPDATE:

Had a blood test yesterday and it showed 16 in the HGC! Progesterone up to 28!

Soooo i retested today with a digital and this showed up:

😱😱😱😱😱😱