There are no clinical tips to prevent umbilical cord reversal. You can prevent the umbilical cord from twisting by maintaining the correct sleeping position and exercising moderately. 1. Maintaining the correct sleeping position: Pregnant women can prevent umbilical cord reversal by adjusting their sleeping position to avoid pressure on the abdomen, etc. The uterus usually rotates to the right after enlargement, so it is recommended to adopt the left side lying position when sleeping. 2. Moderate exercise: Pregnant women should pay attention to reasonable exercise, try not to be too comfortable, can promote blood circulation in the uterus, but also pay attention to not strenuous exercise to prevent the umbilical cord from torsion. Pregnant women usually pay attention to observe fetal movement, if there is abnormal fetal movement, pay attention to timely medical attention, timely oxygen, to ensure the blood supply to the fetus, to prevent fetal accidents.