The 38th week of pregnancy belongs to the late stage of pregnancy. After entering the late stage of pregnancy, the possibility of spontaneous labor may occur at any time. The signs of labor are the clinical manifestations of the pregnant woman after the occurrence of labor. There are several clinical manifestations of natural labor: First, bloody vaginal discharge. Before labor, a small amount of bloody vaginal discharge will appear, and this phenomenon is a normal sign of labor. In general, the patient can spontaneously go into labor within a week after the redness. Second, paroxysmal irregular lower abdominal pain Before labor, patients will have irregular, paroxysmal lower abdominal pain, and the duration and interval of the pain varies greatly. With the natural labor, irregular lower abdominal pain gradually changes into regular lower abdominal pain, the frequency of pain gradually accelerates, the duration of pain gradually lengthens, and gradually enters the labor process. Thirdly, some patients may also have the feeling of fetal head dropping before labor Pregnant women can feel the fetal head dropping and there will be a feeling of relaxation in the upper abdomen. In summary, the signs of labor at 38 weeks of pregnancy include vaginal bloody discharge, irregular paroxysmal lower abdominal pain and the feeling of fetal head dropping.