When a pregnant woman’s due date arrives with brown discharge, labor will be imminent within 24 hours to 48 hours, but it is not certain how long it will take to give birth. When the expected date of labor arrives, there is brown discharge, called red, suggesting that labor is imminent, usually within 24 hours to 48 hours, there will be regular contractions to enter the labor process, if not, you can continue to observe. After seeing red, you should go to the hospital for an internal examination to see if the cervix has disappeared and the opening of the uterus. You should also have an ultrasound to assess the size of the fetus and whether the amount of amniotic fluid is normal, and then choose the appropriate mode of delivery under the guidance of the doctor. It is recommended that pregnant women with brown discharge on their due date should go to the hospital immediately to wait for delivery and not stay at home to avoid accidents.