My periods are very irregular but never this far apart. Also, I am sexually active but use condoms every single time so I doubt I am pregnant, but you never know. My period is about two, almost three weeks late, although sometimes I have bad cramps (to the point where I'm doubled over) and like I am getting ready to start my period but I don't. And today I noticed a very thick white discharge, I don't think I am pregnant but I am going to take an at home test anyway, is there any other reason this could be happening?