Wayyyy positive opk

Maryann
So I got my twinges around 5pm today and when I got home at 645 I took an opk and it was so positive that the test line was darker than the control line. DH and I agreed to do the every other day plan this month so I purposefully starting with a BD on Sunday cause I'm scheduled to ovulate on Thursday and wanted to make sure we BD the day of ovulation.  What if that oh surge and twinge means the egg was released?? What if tomorrow is too late?? I don't want to mess this up this month- were on cycle ten trying. 
What do you think???