Brown discharge during pregnancy is usually nothing to worry about, but there are a few cases where you should call your doctor.
A guide to vaginal discharge colors: What do they mean?
Period Blood Color Chart: Decoding Menstrual Health
Cramps and brown discharge (photo attached)
Vaginal Discharge – Empress Organics
Bleeding and Spotting During Pregnancy - Mama Natural
What's Does That Brown Discharge Before and After Your Period?
Brown Discharge: Causes, Other Symptoms, Concern
Brown Discharge During Pregnancy: Is It Normal And Causes
Yellow Discharge During Pregnancy