Generally, the opening of the uterus is two fingers is the natural labor period, representing the beginning of labor, until the opening of ten fingers to start delivery, and from the opening of the uterus to two fingers to the full birth, that is, the placenta delivery, a total of three stages of labor, from the opening of two fingers to delivery, it usually takes about 11-12 hours for first-time mothers, and 6-8 hours for women in labor. 1, the first stage of labor: when the uterus began to contract regularly to the opening of the uterus belongs to The first stage of labor. The time required for delivery varies from person to person, about 11-12 hours for first-time mothers and 6-8 hours for menstruating mothers. If the opening of the uterus is two fingers, it means that the mother is in the first stage of labor, and a vaginal examination should be conducted once every four hours to determine whether the opening of the uterus is in line with the normal course of labor, and if there is prolonged labor or stagnation of labor, the causes should be further investigated and actively dealt with. 2, the second stage of labor: the opening of the uterus is the second stage of labor after the opening of ten fingers, the second stage of labor is also known as the fetal delivery period, which usually takes 1-2 hours for primiparous women and a few minutes for women. The second stage of labor, also known as the fetal delivery period, usually takes 1-2 hours for first-time mothers and a few minutes for menstruating mothers, but there are also those who take up to an hour. 3, the third stage of labor: also known as the placenta delivery period, from the delivery of the fetus to the delivery of the placenta, which takes about 5-15 minutes, generally should not exceed 30 minutes, after the delivery of the fetus there will still be contractions to promote the delivery of the placenta, and then the doctor will clean up the mother, and if there is a vulvar cleft will do local stitching.