creamy white- not stretchy discharge. TMI picture(sorry)

Bree • Mommy to a 5 year old boy & due with boy number 2 in December 💙💙
Can be either a sign or pregnancy OR af? If what I read on Google is correct, anyways. Thoughts ladies?? I don't usually notice much of a difference in my discharge before my period but I have this today. AF is expected in around 4 days. Any insight would be helpful. Thanks in advance 

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