How to identify whether the fetal position is correct

How to identify whether the fetal position is correct

There are many specific ways of fetal malposition, and some of them have never been encountered before. Of course, sometimes malposition of the fetus can be easily confused with other similar problems. For example, some phenomena are not actually malpositions of the fetus, but the specific order in which the fetus comes out of the birth canal during delivery is different from the traditional method. The following will introduce the order of fetal delivery that is easily confused with malpositions of the fetus.

The correct order of normal delivery should be that the head comes out first. If the lower body is delivered first, or even the shoulders, arms and other parts are delivered first, it is called "malposition of the fetus". The most common is the so-called breech position, that is, the buttocks are facing the direction of the cervix and birth canal. Other positions such as oblique position or transverse position (shoulder or torso facing the birth canal) are less common, but their risks are no less. This is just the most rough classification. In fact, during childbirth, the easiest way of delivery is to deliver the baby from the back of the head first. Other ways are likely to cause more or less danger or prolong the delivery process.

The fetus has incomplete breech presentation, with one foot or both feet, one knee or both knees, or one foot and one knee as the presentation. Knee presentation is temporary and changes to foot presentation after labor begins. Less common.

In normal pregnancy, when approaching full-term delivery, most fetuses are in the position of head downwards, the so-called "head birth" accounting for 96%; and 3% are buttocks downwards, called "breech birth".

The fetus presents with one arm first, one buttock first or straight legs with buttock first, with both hip joints flexed and both knee joints extended, with the buttocks as the first presentation. The most common. Breech presentation is the most common abnormal fetal position, accounting for about 3% to 4% of all full-term births. Because the fetal head is larger than the fetal buttocks and there is no obvious deformation of the fetal head when it comes out later during delivery, delivery is often difficult. In addition, umbilical cord prolapse is more common, which increases the perinatal mortality rate, which is 3 to 8 times that of occipital presentation.

Through the above introduction, I believe everyone already knows that it is not just the malposition of the fetus that is risky. There are some delivery sequences, even if they are not malpositions in the traditional sense, but the risks are equally huge. Therefore, childbirth is a high-risk practice. Pregnant women must have regular prenatal examinations, and it is best to go to the hospital to receive formal midwifery guidance during childbirth.

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