Is it implantation bleeding???

Titta • 24 years 🦂 With 2 perfect daughters 💕

(Today is the 28th)

So my period is due tomorrow (may 29th) and I noticed yesterday (27th) that I had light pink spotting on my panties.

I’ve had a few negative tests already. If my period doesn’t come tomorrow should I test again?? I’m 13dpo today.