I've been having this discharge for the past 4 days but I have no itchyness or pain or any other symptoms and I'm not due for my pd for about another 2 weeks or so. I am not on the pill so I know it can't be from that. What could be the causes for this discharge?

I am a woman and I know that discharge is normal.. I'm not quite understanding your question..

Is it abnormal discharge, weird color and smell? Be more specific please

If it's clear or milky and odorless, it's probably normal. Read book: "Taking charge of your fertility" by Toni Weschler. It describes in detail that this discharge is NORMAL, but no one ever talks about it. The discharge just means that you are at the peak of ovulation. (looks like and has the consistency of egg whites. No smell, no colour. It shouldn't last for more than a few days at most.