When umbilical cord bypass occurs, there is no way to correct it medically, but you can prevent or treat fetal hypoxia by lying on the left side of the sleeping position, breathing correctly or avoiding excessive exercise, etc. The details are as follows: 1. Left-side sleeping position: During pregnancy, pregnant women should keep left-side sleeping position, which can promote blood circulation in the body and reduce body edema. 2. Correct breathing: when the baby in the uterus lack of oxygen or breathing is not good, it is easy to move around, resulting in the umbilical cord around the neck, so the pregnant woman can breathe correctly, regular inhalation and exhalation, so that the baby can better absorb the oxygen, to achieve relief of umbilical cord around the neck of the symptom. 3. Avoid excessive exercise: Excessive exercise of pregnant women will cause the fetus to move, and the chances of the fetus causing umbilical cord bypass will increase. Pregnant women should avoid excessive exercise, and they can do proper exercise, such as walking or gymnastic exercises, etc., so as to be able to alleviate the symptoms of umbilical cord bypass. After the discovery of umbilical cord around the neck, it is recommended that pregnant women should do regular fetal heart monitoring, obstetric ultrasound and other examinations to determine the condition of the fetus in the uterus, and choose the correct treatment plan under the guidance of the doctor.