I stopped BC on May 17th....my last period was April 19-24....still waiting for it to arrive....dr says to call her tomorrow if it still doesn't show. I should add that I also have endometriosis...not sure if that matters really. Anyway I'm curious if I'm ovulating even though I'm not having a period....does anyone know? I take some opks but I'm really not good at remembering to take them but I've never gotten a positive result.