The opening of the uterine seams is the process of opening the uterus before labor, usually 10 seams are opened, that is, the uterine mouth is opened to ten fingers before the fetus can be successfully delivered. Bone gap opening often refers to obstetrics and gynecology medical terminology of the uterine dilatation, usually bone gap opening to 10cm that is, when the uterine mouth is open, the fetal head of the full-term baby can be passed. After entering the stage of labor, the contractions are regular, the cervical canal gradually shortens until it disappears, the mouth of the uterus is dilated, the first sign of the fetus descends and the placenta is delivered. The process of dilatation is the first stage of labor, i.e., from the opening of the uterus to the opening of all ten fingers, which takes about 11 hours for primiparous women, while for experienced women, due to the relaxation of the cervical opening, it takes only 6-8 hours to enter the second stage of labor. In addition, contractions are the main factor that affects the opening of the gap between the bones, while the softness of the cervix and its position in the vagina also have a certain effect on the dilatation of the uterine opening. However, in labor, the uterus needs to be opened to ten fingers before the baby can be delivered successfully. In addition, it is recommended that pregnant women exercise properly before delivery, avoid sitting or lying in bed for a long period of time, and supplement the body’s nutritional needs with fresh fruits and vegetables to replenish the body’s energy requirements in order to better prepare for the delivery.