When should i test again?

💕💜Brittany💜💕 • I am 29 yrs old n I have been married for 8yrs.Don't judge me by the size of my family! I have 9 kids round ages 9,7,3,2,1yrs,2month old. 3girls 4boys My 3 year old son has infantile scoliosis.N I am now trying for baby#8.Stepson's ages 12,13 I luv them a

I am now 7 dpo. Took a test at 4 dpo it was negative. How many dpo's should I take a test. Accordingly by glow I start my period in 7 days. N my periods have been all over the place. In September it was the 18th October it was the 16th. So when should I test? Don't really kno when I start.

I took this one like 2 or 3 days ago. Does anyone see anything?