How long can bloody show last?

Niechelle

I went to the doctor at 1 in the morning because I was having spotting, cramping and back pain. My doctor checked me and told me it was bloody show. They sent me home because my contractions weren’t intense and I was still dilated at 1 cm. I went home and at 5 in the morning I noticed that I lost some of my mucus plug. It’s now 12 noon and I’m still spotting light pink . How long will this last?