Implantation bleeding?

Ju

Hi guys, I am 11 days dpo and yesterday I felt some cramping in the morning and then I filled a panty liner with light blood, then it stopped, then I had 1-2 drops on the pad and that was it, today I had no bleeding. Usually before my period comes I have sore breasts and I fell moody. Period is due in 4 days. I never had bleeding during af that stopped, when it comes, it comes.. Could it be implantation bleeding? I had an ectopic pregnancy in November and I am waiting for my bfp so so much.. I tested yesterday and got a bfn.