Is this good line progression?

Sian • 🐶🐶🐱🐱👼🏻👼🏻 TTC #1

1st picture is from 28th, 2nd picture is from 30th, and the third is from today. I have no idea how many dpo I am as my periods aren’t entirely regular and I’m really anxious about this whole thing as I’ve had a chemical before in the past.