So confused!!!

After having a really strange ‘period’ for one day (2 days earlier than expected) I am now (the past 2 days) experiencing cramping, sore boobs and slight nausea.... Just to note, usually the week after I finish is usually the only week that I feel normal with no pms symptoms ect.....

took a test during the middle of the day today and took this pic... I’ve been playing around with filters ect all day because I swore I saw the start of a line but idk if I’m being silly cause I’ve had a ‘Period’ or implantation? 🤔