Chemical? evap? BFP?

Question

Pic is from 6dpo. The line is faint but with color. 7dpo and 8dpo both negative...

Answer

It’s impossible to get a positive at 6dpo - that’s the earliest implantation can happen, and it takes at least 2-4 days *after* implantation for a test to show positive, even the early results.
So either you ovulated earlier than you think you did, or it wasn’t a true positive in the first place.

Chemical? evap? BFP?

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