implantation bleeding?

Felecia
7 days ago I had EWCM and 4 days ago I had a positive ovulation test. Starting 10 days ago I was having almost positive ovulation tests. Today I have some spotting. Could this be implantation bleeding? I have always been super regular and have never bled mid cycle like this. Yesterday and today I'm excessively tired but I know it's too early for symptoms. Please help!