Other than temping (due to my work schedule not an option), cm (mine is either creamy or egg white all the time) on opks ( I just ran out!) Early in this cycle I was really sick (possibly pneumonia) & my period was extremely light and only lasted 3 days instead of the usual 4. I usually ovulate on day 14, but have taken 2 opks daily from day 11 to day 16 and all were negative. Trying to figure out what's going on and if I've lost my lil window this month :'(