Confused please help

[Missbx]

I've been getting very very faint lines on these 10miu ovulation tests then on the 21st they started to get darker and now its hardly a line there like before ?? My boobs have been very painful today sorry tmi x

21st August
https://i41.tinypic.com/15y7n8n.jpg

https://i39.tinypic.com/29psqwl.jpg

Night time


https://i44.tinypic.com/qnvfph.jpg

22nd August

https://i44.tinypic.com/xnd853.jpg

Yesterday's
https://i41.tinypic.com/b8sioj.jpg

Today's at 14:03PM
https://i44.tinypic.com/16bzqqf.jpg

Tonight's at 23:21PM
https://i42.tinypic.com/10elnhf.jpg

Why has it gone lighter??

 

[newlyweds2013]

Hey there,
I have heard a couple ladies say that their opk's fade out almost completely shortly before the get their positive so it may be a good sign !