Help! How do I know when I'm ovulating??

Victoria • Ttc #1 27 yo married with 2 "bonus" - daughters peace love happiness
Hey all! I need suggestions of how to tell when I'm ovulating with PCOS. I know most of the time you count 14 days from the beginning of your period but I'm bleeding most of the time on day 14.... Suggestions??? I'm on MetFormin 750, taking a prenatal every night, and a baby aspirin.