OPK help!!!

Victoria • My partner and I have been TTC for many years with no luck. We`ve had 4 Miscarriages and 1 Ectopic pregnancy. It`s been a stuggle to get pregnant and stay pregnant.

So I took many OPKS from CD 8 through CD 17. The three darkest tests lines in the center were taken on CD 15 and 16 but I never got a true positive. Is it possible I missed the peak over night? or does this mean I won't ovulate?

On CD 18 I did experience some mild pinching in both sides of my pelvic. Could this mean ovulation?

EWCM started on CD 15 and is still going on now at CD 20. I'm loaded with confusion. Need feedback please...