How often the umbilical cord around the neck is checked is not necessarily, according to the situation of discretion to increase the frequency of obstetric examination, but if any abnormality occurs, it is necessary to consult the doctor in a timely manner. Umbilical cord around the neck means that the umbilical cord surrounds the neck of the fetus, which is a common umbilical cord abnormality, and can be seen in the umbilical cord is too long, frequent fetal movement, etc. Umbilical cord around the neck for two weeks can be seen in ultrasound of the fetal neck w-shaped indentation. Sometimes the umbilical cord can be looped back on its own after fetal movement, but some pregnant women can transform the umbilical cord around the neck for three weeks or even more. One week of umbilical cord around the neck can be normal routine obstetrical examination, but there are abnormalities of fetal movement and fetal heart, need to consult the doctor in time; umbilical cord around the neck of more than one circle may appear fetal distress and other emergencies, can be appropriately increase the number of obstetrical examination; 34 weeks of pregnancy after the start of weekly obstetrical examination and fetal heart rate monitoring, 2 weeks can be rechecked ultrasound. Pregnant women with umbilical cord around the neck, need to regular obstetric examination, follow the doctor’s advice to increase the number of obstetric examination or treatment.