The appearance of maroon discharge on the expected date of labor may be 24~48 hours will be born, or may be 1 week after the interval will be born, there is no specific time. The maroon color of the discharge on the expected date of delivery may be the redness, which is a symptom triggered by small capillary rupture after the peeling off of the fetal membranes from the uterine wall at that place. The small amount of maroon color discharge is generally physiological, and the amount of the discharge is relatively large, but also to be vigilant about the possibility of premature placental abruption. The appearance of brownish red discharge on the expected date of labor may be 24 to 48 hours will be born, 24 hours will be paroxysmal pains, and then will enter the stage of labor, but not absolutely, some women may not have any movement, and will have to wait for a week before the birth of the child. The appearance of brownish-red discharge on the expected date of labor is relatively large, it is recommended that timely medical examination to see if there is a placental abruption, abnormalities should be promptly terminated to deal with.