Do you think I might be pregnant??

Nicole
So I am 19 days late on my period right now (last start of my period was October 21st and my cycle is usually 32-34 days) and I'm not sure what to think. I stopped taking birth control back in July so it has been about 5 months now since I've been off. Ever since I went off my birth control I HAVE had some long periods and two periods in a month.... but I've never missed one before.... NOT like this anyway! I'm on cycle day 53 right now and still no period! I haven't even had any signs of it coming! I have been having some weird cramps but they start from my sides in my lower pelvic region. 
What do you guys think ?? I have an appointment tomorrow to get some blood work done but I'm still curious to see what you guys think before I go!