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The advantage of this position is that it is convenient for obstetric treatment (such as instrumental midwifery) and neonatal treatment, and it is suitable for medical staff to operate.
The disadvantage is that when the lying-in woman takes the supine position, the enlarged uterus will compress the inferior vena cava, which will reduce the amount of blood returning to the heart, and the lying-in woman may have supine position syndrome. Therefore, it can induce fetal distress and postpartum hemorrhage. Taking supine delivery will also limit the plasticity of pelvis, narrow birth canal and low work efficiency, thus increasing the chance of dystocia. In addition, when lying on your back, the gravity of the fetus loses its due function, which leads to prolonged labor and secondary uterine inertia.
Now, there are also some hospitals that adopt horizontal delivery. The advantage of this position is that it can relax the perineum of the parturient, reduce the pressure on the inferior vena cava and prevent supine position syndrome. The disadvantage is that it is inconvenient for midwives to operate this method, and it is not conducive to our observation of the delivery process of parturients.
No matter what position the parturient takes to give birth, for us midwives, in the past, our position was lateral position, that is, standing in the maternal lateral position to deliver the baby. The advantage of lying on the side is that we can protect the perineum to the maximum extent, but the disadvantage is that our waist is always twisted when we are lying on the side. If the delivery time exceeds 1 hour, we basically have to stop at 1 hour.
In Europe and the United States, it is now common to customize multifunctional maternity beds for pregnant women, and midwives implement "taking the right position for delivery", that is, delivering babies in the right direction of pregnant women. We introduced the German black room delivery bed, which changed the traditional way of parturient taking delivery on the right side.
In the past, when the parturient was waiting for labor, the delivery bed was flat and could not be shaken. When the uterus contracts, the lying-in woman can only lie flat or on her side, feeling breathless. When the uterus is fully open and the parturient exerts force, the whole gravity is on the parturient, and the parturient cannot exert force. In the multifunctional maternity bed, it is easier for the parturient to give birth: when the cervix is fully opened, the maternity bed can swing, so that the parturient can lie on the bed half-time, and when the uterus contracts, the parturient can breathe freely. There is also a place to shake hands and put feet on the multifunctional obstetric table. When the cervix is completely open, the parturient can grasp these handles for convenient exertion.
For example, which is more labor-saving than lying and defecating? The same is true of having children. Lying flat is not labor-saving. At the same time, the labor process is shortened, and the maternal pain will be alleviated. Generally speaking, when a woman is in labor, the uterus will contract once every 3-5 minutes, and the pain of the woman will be relieved once. If the labor process is shortened by half an hour, the maternal pain will be reduced 10 times.
The advantage of maternal upright delivery lies in early contact with the baby. At the moment when the baby comes out, the midwife can hold the baby in the mother's arms without cutting the umbilical cord, which is unparalleled for the mother's delivery experience.
The correct delivery method also brings convenience to our midwives. In the past, when we were on the right side, it should be said that we focused on the children, and the observation of the parturient was not comprehensive enough. Instead, we took active delivery. When the parturient gives birth, the maternity bed is rocked high. When we give birth in front of the parturient, we can better grasp the child, and we can observe the changes of the parturient comprehensively and intuitively, which is more humanized. Of course, it also reduces our own labor intensity.