Lines not getting much darker...

Anna • 27 💁🏻 Married 5/23/15 👫💍 One baby girl born May 2018. 👧🏻

I got my first BFP a few days ago at 9dpo. I know it's still early but the lines aren't getting much darker and I'm worried because I had a chemical a few months ago. What do you ladies think?