First Time Pregnancy Advice

Hey y'all, this is my first pregnancy, and since day 1 of morning sickness, I've been told that morning sickness is a good thing because it means my hormones are strong and I have a sticky baby. Morning sickness started at 6 weeks. I'm 9w3d now and have not had any sickness for the past 3 days, but I have had lots of diarrhea the past 3 days (after being constipated for weeks). Is this normal? Should I call my doc? No spotting or cramping, so I've been holding off calling them and sounding like a crazy woman... just some reassurance would be great!