Possible chemical?

Hannah

I got my first bfp on 11 dpo. My lines have been progressing but slowly. ( posting 14 dpo test and 16 dpo test) I’ve been having mild cramps the whole time but last night at 15 dpo I started spotting (pictured.) Is this normal or should I prepare for a chemical? I plan on calling my dr in the morning but can’t stop myself from searching all online boards. Please help! Bc

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