Fetal headache abnormality
When the bent head begins to straighten out prematurely (at the beginning of labor or even during pregnancy) and in such a condition to move along the birth canal, they speak about the extensor prevailing voice. There are 3 degrees of it. 1 tbsp., Before the headhead presentation - the head passes through the birth canal in the area of a large spring. Grade II, frontal presentation - the fetus passes through the birth canal with the forehead, lowered below the rest of the head. IIl Art., Facial presentation - the head is bent so sharply that the chin of the fetus becomes the leading point. The biomechanism of childbirth at all degrees is similar, they are characterized by a protracted nature and significantly increased injuries to the mother and fetus.