The second child open a finger how long can be born with the fetal orientation and the progress of the labor process, specific varies from person to person. The second child open a point now pregnant full-term labor, the mouth of the uterus opened about 1.5cm, from the regular contractions to the mouth of the uterus opened 3cm for the latent stage of the first stage of labor, often accompanied by regular contractions and paroxysmal abdominal pain. Usually, the dilatation of the uterine opening is slower in the latent phase, and the average dilatation of 1cm in 1-2 hours for women in labor, and then enters the active phase. The second stage of labor takes only 6-8 hours in women in labor due to the looseness of the cervix. In the second stage of labor, if the fetus is in occipital left anterior position or occipital right anterior position, it usually takes a few minutes to deliver the fetus; if the fetus is in other positions, the delivery time will be prolonged accordingly. In addition, pregnant women should also pay attention to regular obstetric examination, if there is an abnormal fetal position, it is necessary to promptly correct the position to normal through the knee-chest position, if the knee-chest position is ineffective, after 30 weeks of pregnancy, consult a doctor, according to the doctor’s advice to correct the fetal position.