AF due 22nd...been cramping since Ovulation. Multiple other symptoms. Opinions?

Feliece
AF due friday the 22nd. Been cramping on and off since Ovulation. That normally doesn't happen. I usually start a few days before AF. CM was thick and creamy after O and now it's more milky and runny. Lower back pain and constipation since O. Any opinions or anyone who had these before their BFP?