Worried about ovulation, no change to CM

Ai
First cycle TTC and also my first cycle monitoring. I don't think I'm ovulating as I didn't get any change is CM. I've never had a 'mistake' in the past and now I wonder if that's because I'm not fertile. (33 years old)
I'll continue to monitor but feeling very low at the moment.  
Anyone else in this position or been there?