So confused

Ok so wondering if this happens to anyone else.

I use opk’s religiously. I got my peak 5-6 days ago. I didn’t not have EWCM at that time, so I used pressed. However, today I’m having really sore boobs, cramping, and EWCM. This seems to happen every month for me.

So what gives?? I don’t understand why the opk’s and (I’m guessing ovulation) symptoms don’t ever match up.

My doc told me to come back a week after I thought I had ovulated to check my Progesterone levels. Which I thought was Wednesday from the opk so I guess I’m going to this Wednesday.

Any thoughts?