Implantation pain and bleeding?

Rhea • Married to my high school sweetheart and Mommy to a Prince and 2 Princesses ♡
I think yesterday I might had implantation bleeding. It was a tiny pink spot. Today I had a pain in my pelvic area but only on one side. If this is implantation bleeding and pain, when do you think I should test? AF isn't due until sometime next week.