Spotting 5 weeks 2 days

Monday I found out I was pregnant I got my bloodwork back and I had low progesterone I have gotten 3 progesterone shots and tomorrow I start suppositories today I started spotting brown like a discharge and then I had a little bit of red blood now back to the brown spotting. I'm freeking out. Anyone have any insight

My numbers doubled from 73 Monday to Wednesday 170 now friday 233