Confused🤔 please anyone????

💍🦸‍♀️Callie Sunn🍼👨‍👩‍👧‍👦 • Mom, Fiance, Bartender and TTC

So these are my OPK's from the last 3 days. Why are they so dark. AF is due in 4 days. Never do they stay this dark when AF is near. I am so so confused. I've heard some woman can get an LH surge before but 3 days in a row