Is this good line progression?

October Momma • 22 year old happily married mother of boy girl twins, Emma and Alden, born 10/11/17😊
For my own peace of mind I've been taking a pregnancy test with FMU everyday since I got my first positive. Does this look like good line progression? My blood test is Monday and seeing the lines get darker puts my mind at ease but I didn't know if they are getting dark enough fast enough. I'm 14 DPO now. I got my first positive at 8 DPO. This is at 8DPO. 
These are all labeled so you know how many DPO I was when I took them. 

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