A brown sticky discharge at 40 weeks is labor. 40 weeks if there is a brown sticky discharge, consider it to be redness, the first sign of labor, that is, it is going to be born. Vaginal redness and irregular lower abdominal pain are signs of impending labor. 40 weeks of pregnancy has reached the due date, and labor may start at any time, so it is necessary to go to the hospital in time to check and be hospitalized for delivery. After admission to the hospital, relevant examinations should be conducted, such as obstetric examination, cervical scoring, pregnancy ultrasound, fetal heart rate monitoring and other relevant routine examinations to assess whether there are conditions for vaginal trial of labor. If there are conditions for a trial of labor, a trial of labor is recommended. After entering labor, contractions, fetal heart rate, progress of labor and other changes should be closely observed, and the pregnancy should be terminated promptly if necessary. If there are no conditions for a trial of labor, or if there are complications during pregnancy or pregnancy complications, a trial of labor is not recommended, and the pregnancy should be terminated by cesarean section in a timely manner. The appearance of brown discharge at 40 weeks of pregnancy is a precursor to labor, and should be admitted to the hospital as soon as possible.