The flow of cervical mucus or cervical mucus plug in the days around the expected date of delivery in late pregnancy is a sign of preterm labor and may be followed by signs of labor within 72 hours. Cervical mucus flow is a sign of preterm labor, which is a reaction of the lower part of the uterus and the beginning of cervical dilatation, as follows: 1) if combined with vaginal redness, delivery may take place in 2-3 days; 2) if there are paroxysmal contractions after cervical mucus flow, the whole uterus will be tight, hard and painful, more than 3 times every 10 minutes, each lasting more than 30 seconds, you should go to the hospital for delivery; 3) if there is no cervical mucus flow after cervical mucus flow If there is no tightness and hardness of the uterus after the outflow of cervical mucus, but there is a watery discharge like urine, which can wet the underwear and discharges too much with the activity, it means that the fetal membranes ruptured prematurely, which is a pathological phenomenon, so you need to elevate your hips, lie on your side and go to the hospital for delivery as soon as possible.