Quoting -BLT-:" Usually if your AF is random amounts of time. Mine was 21, 35, 28, 26 days. I was also temping and charting and knew from that that I wasn't."
Quoting ImHisMama!:" Mine are ver random 14 to 36 days I was talking to my mom about this and she said that Imight not be so i got worried. I have heard about temping but how exactly dose it work?"
Quoting Roe23:" Pick up the book "taking Charge of Your Fertility". It will give you a way to help to see if you are ... [snip!] ... help to see if you are ovulating. And, if you don't think you are, it will give you more information to bring to your doctor."