Gushing

My period is due in “3 days” and I thought I had it today, because I felt continuous gushes, along with cramping, but when I wiped it was just gushing discharge which is so weird for me. Does anyone else experience this? There was absolutely no blood but the gushing discharge literally filled up my underwear it looked like I peed on myself. Was this a pregnancy symptom for anyone? Increase in discharge? I literally had to put on a pad. When I got home it stopped