Testing until i get a positive **update but not getting darker??

[Bellaloo12]

Testing every day until i get a positive opk so
thought i would post on here to keep a record of it..
Here are opk's from cd11 and 12

 

[Wobbles]

for this cycle x

 

[Bellaloo12]

It doesnt seem to be getting darker i have updated with an am and pm opk but they dont seem to be getting darker?