what is this??I

I'm not sure on how far along I am I'm anything from 4-5 to 7-8 weeks pregnant and I keep spotting like once every one to two days but never enough to even see anything on a pad

I've got very mild af like cramps is this normal never had anything like this with my ds.

P.s today is the day my normal period would of started if I wasn't pregnant last period was on the 3rd of November and my missed period was due on the 1st of December never got a positive till the 18th of December and it never picked it up on a clear blue digital test till the 23rd of December where I got a pregnant 1-2 weeks