Home test for Syphilis

hello, i made home test for syphilis i am not sure how interprete results . This T line is slightly visible , but also i could not do this blood sampling correctly (some oxygen went there) . so please , can someone tell me if its negative even with this slightly pattern in T or its positive ? i got risky contact with someone around 5 months ago. Since then after 1-2 months i got like red dots in my vagina , it was itchy, a bit painful. i had pain during pissing but it went away after one week or so. now its 5 months from it i got these red dots again on vagina. i have sore throat and a bit fever (but i am not sure if it is from it?) i do not have visible rash on skin.

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