Symptoms of prenatal labor include redness, irregular contractions, and the sensation of a descending fetus. 1. Seeing red: Seeing red usually occurs 24 to 48 hours before labor, but it may also occur one week before labor, it is the bleeding caused by small capillary rupture of the fetal membranes and the uterine wall at the place where the peeling occurs, the amount of bleeding is usually relatively small, you can observe it first. 2. Irregular contractions: some pregnant women will have irregular contractions before labor, the number of irregular contractions may become more frequent, from the original several times a day to more than 10 minutes or even 5 to 6 minutes a time, painful irregular contractions and then will change to regular painful contractions, and also into labor. 3. Fetal descent: before the birth of some pregnant women have the feeling of fetal descent, fetal descent to reduce the pressure on the lungs, conscious breathing easier. The pressure on the stomach is reduced, the upper abdomen is more comfortable, the amount of food is more, and the appetite becomes better. The descending head of the fetus presses on the pelvis and bladder, and pregnant women experience frequent urination. Each pregnant woman’s physical condition is different, and the symptoms manifested are also different. Any abdominal pain and bloating, vaginal bleeding and water, or abnormal fetal movement require immediate medical attention.