The following are the main symptoms of a pregnant woman’s full-term labor: 1, redness: a small amount of vaginal bleeding, or bloody discharge, bloody mucus discharge, is the slow disappearance of the cervical canal, or cervical canal slowly dilate performance; 2, contractions: contractions may just start irregularly, about half an hour or ten minutes once, the frequency is variable, the duration is also irregular, and may even be more obvious at night, early in the morning The contractions disappear again after getting up in the morning. The contractions gradually turn from irregular to regular, generally the contractions start after 5-6 minutes and last about 30s, which is the sign of labor; 3, frequent urination and lower abdominal distension: when the fetal head is descending, frequent urination and lower abdominal distension may occur. If there is redness, regular contractions or lower abdominal cramping, frequent urination and other symptoms, it is a sign of labor, pregnant women should pay attention to it.