A cervical cerclage done at 16 weeks of pregnancy may last until 37-38 weeks, when the fetus is full term before going into labor. Cervical cerclage is usually used for pregnant women with cervical insufficiency, which increases the chance of fetal miscarriage. By treating the cervical area with sutures, the fetus will no longer leak out due to cervical laxity, and it can prolong the gestational weeks, and try to wait for the fetus to reach full term before going into labor to avoid preterm delivery. The cervical cerclage done at 16 weeks of pregnancy may last until 37-38 weeks, after the fetus reaches 37 weeks, it will be full term, the fetus and placenta are mature, and it may enter the stage of labor at any time. After the cervical cerclage should be bedridden for 1-2 weeks, prohibit sexual intercourse within one month after the operation, and consult a doctor in time if there is any abnormality. During pregnancy, you need to eat more food rich in protein, such as eggs, pork lean meat, soy products, milk and so on. It is also necessary to properly supplement shrimp, fish, pork liver, oats, walnuts, peanuts and other foods, eat more fresh vegetables and fruits, to ensure that the intake of food nutritionally balanced, to avoid a single nutrition. During pregnancy, pay attention to more rest, at the same time should relax, avoid tension, anxiety, any discomfort should be timely to the hospital, by the doctor to clarify the diagnosis, and cooperate with the doctor to deal with the symptoms.