Ovulation?

Hi ladies I was wondering if anyone can help? We fell pregnant last year after 2 months sadly we MC at what should have been 9 weeks though I was only measuring 6. We've used ovulation ic on and off for the last 9 months or so but really have just been going with Ewcm and estimated ovu on app (was not using glow to start) the last 2 afs have been 4 days late so I now seem to have went from a 30 day cycle to 34? I have used ovu every days 2 times a day since last AF  , I should have ov on sat , no positive but def had Ewcm most I've had , Sunday started to dry up but again still no positive..they are getting darker but not much now glow is saying my ov day has changed to tomorrow as in not getting a positive and I think I'm not ovulating and have missed it ? Sorry for the long winded post , I think I may have to invest in some decent ov if this month I'm out thank you for reading xx