HELP! 1st time

Kiearra • 20. Had a MC with my 1st was due 11/19/14. Hoping for a rainbow baby! Fx
This is my 1st time using opk's and I'm a little confused is this a yes? Do I bd tonight? I have irregular periods so pinpointing an exact date is a little tough but I'm cd12 out of a possible 28. And this was taken within 3mins... Advice please!? THANK YOU!