Is THIS implantation bleeding?? Please help!! TTC for 8+ months!!

I had some brown spotting (never enough to fill even one pantyliner!!) Saturday, Sunday, none on Monday or Tuesday and a few pin drops on Wednesday and now nothing. First day was a bit dark brown and now it's a very light brown.

I was due for AF yesterday (have irregular periods but should have been BY yesterday) and never got it. I want to wait to test until at least the weekend.

Is THIS how implantation bleeding "typically" works? Does it stop and start again?

I know it's not my period as it's not red at all and the TOTAL amount wouldn't even fill one thin liner - the most I had on the first day was about the size of a coin...... (started at 10 dpo and I did have ovarian pains and a lower back ache, horrible one, last week).

I have tried to "research" this but can't find any info anywhere :(
Please help ladies!!

I've never known anyone who HAD implantation bleeding and I know it only happens in about 30% of all cases...

PS - Info:
My hubbie and I are both 30 y/o
I have been off the pill for 1 year and had all blood work done and I'm 100% fine (even though I have irregular cycles)
My hubbie's sperm is fine
I track my cycles and ovulation (and I do ovulate every month)
This started at exactly 10 dpo