Freedom tests don’t get darker?

[ss281255]

Hi I’m 15dpo today and have been testing since 12dpo as I had sore boobs. My tests do not seem to be getting darker. Has anybody had a similar experience and all been ok?

Pregnancy tests aren't designed to have a nice sliding scale of "darkness" to prove anything.

Why are you continuting to test out of interest?

continued testing as my lines were faint and wanted to be sure. Everyone else seems to get a nice ‘sliding scale of darkness’ so I wondered if anybody had a similar result to me.

Out of curiosity, what happened? I am using these tests too and looking like yours x