Hi, I had protected sex mid december. I dont have a very regualar cycle but have only just started to track it so I dont know how normal it is for me to be late. I had my period in december and january and they were both normal but it has now been five weeks since my last period, could I be pregnant? I havent had any other pregnancy symptoms that you would normally have at this stage. Also I know that stressing can effect them so could it just be because I'm working myself up about being pregnant? Thanks for any help.