So my husband and I have been trying to get pregnant for almost a year. I've always had very irregular periods and they've been short when they do come. I took the depo shot almost two years ago and only took two rounds so 6 months worth. After that I never got a period again until this past july. I got one the day I had app. With my obgyn. Crazy huh? Not only did I get one but it lasted 7 days. She told me i had pcos. but she prescribed me Provera to start a period if I missed in Septembe, I missed sept. And still havent started this month.I am just now starting Provera today. My question is how am I going to tell if I'm ovulating or not. That is if I happen to get a period.