Confused ovulation bleeding?!

Angel • My Husband and I have been married since Jan 15, 2015. We are pregnant with our 3rd and last baby (2nd together). We have a 3 year old daughter a 16 year old daughter from a pervious relationship and he has a 14 year old daughter from a pervious relations

So on CD 19 I got a very positive OPK. Husband and I BD'ed that day. We didn't on CD 20. Then on CD 21 I started bleeding, not really heavy but red. So I thought well it's definitely AF, so I changed CD 21 to CD 1 as thinking this is my period. So CD 2 still a little bleeding not much mixed with brown mucusey. Now to today CD 3 and nothing, just light pink brownish when I wipe....So here is the question,

Do you think this was just ovulation bleeding? Should I still be on CD 23? I read that ovulation bleeding can occur 11 to 14 days prior to the start of your next menstrual cycle. The timing would be 12 days till next cycle. Thoughts?!? If this is the case I am sure I missed my chance this month because we only BD'ed on the day I got my positive OPK :(