In any case, it is absolutely correct to wait for the teacher's instructions when you are not sure.
Now that the teacher has not given any instructions, I can only try to stay calm.
The classmate Geng Yongzhe opposite was very patient. He didn't ask any questions and just waited.
Compared with other boys in the class, Geng Yongzhe was absolutely able to stand still when he was not moving. Even the taciturn class monitor might not be able to match his dumbness.
Xie Wanying vaguely felt that Geng must be a very perseverant person.
In front of the surgeon, the surgeon's hand had to feel the lower segment of the uterus to determine the position of the fetal head. The experienced Director Yu muttered based on the feel: "Not very good."
When the others heard the surgeon's words, they tensed up. Assistant Dr. Peng put his hand on the uterine fundus to assist the surgeon.
"Don't be nervous." Director Yu said calmly to his assistant.
The director must be a big shot as well. Director Yu seems to be more stable than Teacher Li, and he still speaks in a slow and leisurely tone.
...
...
Director Yu used a scalpel to cut the uterine wall, only about three centimeters, and then used surgical scissors to cut the amniotic membrane, replaced the suction device, and sucked out the amniotic fluid inside to prevent the umbilical cord from being washed out by the amniotic fluid and causing fetal suffocation. When the suction was almost done, he used his own hands to tear the incision to 10 centimeters, cutting the uterine wall and uterine muscle fibers in the same direction. This way of tearing is easier and less damaging than cutting.
Everyone can see the fetus's black hair.
"Oh." Dr. Peng couldn't help but sigh out loud due to his nervousness.
It can be seen that the situation is really not good. Why is it not good?
Perhaps in the imagination of outsiders, a cesarean section is to open the pregnant woman's belly, exposing the fetus completely to the doctor's field of vision, and the doctor can easily take the fetus out.
Reality has never been so simple and perfect, especially in medicine. You have to understand that cutting open a pregnant woman's belly does not mean peeling off the entire belly, but opening a hole. It's like a bag of things. After you open the hole, you can only see part of the things inside. In order to maintain the integrity of the items in the bag, you must be careful to prevent damage to the entire item when pulling the items out of the bag. It is best if the bag mouth is large enough and the objects inside are small enough, so that it is easiest to pull them out. This is impossible under the most favorable conditions for cesarean section. How can a doctor cut the uterine wall of a pregnant woman as hard as possible? He must help the patient to reduce the uterine incision as soon as possible to minimize the damage to the uterus and give the pregnant woman the opportunity to get pregnant next time. The pregnant uterus itself is mainly expanded by the fetus and amniotic fluid, so it is impossible for the fetus to be very small.
Since the two best conditions above are impossible in reality, the doctor has to think of another best condition to pull out the fetus. What is it? Think about it, once the mouth of the bag is opened, the things inside are just in the position where it is easiest to pull out with your hand. At this time, it is easiest to pull out the things. Since the general position of the fetus during delivery is head down into the pelvis, the conventional transverse incision is set three or four centimeters above the pubic bone. The uterus of many parturients is just at this position, and the ears or the back of the head of the fetus will be exposed after opening. At this time, it is easier for the doctor's hand to hold the fetus's head and take the fetus out of the mother's body.
These are general situations. What should we do when encountering special cases? Some doctors will directly make a longitudinal incision or expand the incision to a T-shaped incision if they judge that the fetus is difficult to retrieve.
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