Nervous!! NEED positive encouragement!!!

My cycle which is very regular was supposed to start on the 6th. A few days have passed and I'm starting to get nervous. I have period like symptoms that I usually get minus one symptom, just no period. I have thought my cycle was coming on, only to get to bathroom and realize it was only discharge... do I wait a couple more days and test? I'm nervous becuase I read somewhere that what I'm experiencing could be a cause of cysts on my ovaries. I had surgery in 2010 to remove one on each. I need positive encouragement, ladies please help. .