Evap or bump?

Jen • Mom to one very cute little boy conceived with the help of Glow! Avoiding baby #2 for a few years
Been having mild cramping for past 3 days and felt like my AF is coming. I am 13DPO today.. Been testing past 2 days and I thought I was just getting Evap because the faint pink lines would show until 8-10min mark. But this morning I got this at 7min... It stronger than previous ones and clearly pink. What do you think? 

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