Can you still ovulate even if you have irregular or no periods?

I have irregular periods ever since on gotten off depo provera in Jan. 07. Sometimes they are average of 28 or sometimes 32. Within the last couple of months I’ve missed my period for 2 months. The first time is was cd58 still no period. They had placed me on prometrium and within 7 days of being on it I finally bleed. Now again this month I have the same problem and today I’m on cd36. I’ve notice today my cm has been really weird and I’ve been having to use a panty liner just to keep dry. My breast have been tender and they were for last 3 weeks but then stop for couple days and know again there tender. I’m just wondering is it possible to still ovulate if you miss a period? What do you think is going on? I’m I ovulating or having a cycle (just without bleeding) or is that even possible?