Contractions plus redness usually start labor within 24 to 48 hours, but do not determine the time of delivery. Redness refers to a small amount of vaginal bleeding accompanied by cervical mucus in late pregnancy, which may be accompanied by irregular contractions and a feeling of the fetus descending. It is a reliable sign that labor is about to start, and labor will usually start within 24 to 48 hours, but it does not determine the time of delivery, which is determined according to the progress of the labor process and the descent of the fetus’ head. In the late stage of pregnancy, it is necessary to strictly follow the obstetric checkups on time and conduct fetal movement counts to self-evaluate the intrauterine condition of the fetus, and under the guidance of the doctor, to provide guidance on knowledge related to labor and lifestyle, as well as to conduct appropriate physical exercises to promote natural delivery, such as sitting on a birthing ball, taking a walk, and so on. When symptoms such as abdominal pain and redness occur, you need to go to the hospital and be hospitalized for delivery if necessary.