Observation of the function of hand revolving fetal head combined with expanding cervix operation in birth process 手法旋转胎头联合扩张宫颈术在产程中的作用观察
Choice of uterus incision and dynamic mechanism of fetal head delivery during emergency cesarean section in second stage of labour 第二产程急诊剖宫产子宫下段切口入路选择及娩头力学分析
Go out for advantageous and fetal childbirth , the doctor employs obstetric forceps or fetal head is attracted implement will undertake aiding yield , right now fetal head suffers extruding , make coronal bone overlaps , the head surrounds decrescent , cause the blood - vessel below periosteum likely to get hurt burst , blood builds up slowly a haematoma 为了有利胎儿娩出,医生动用产钳或胎头吸引器来进行助产,此时胎儿头部受挤压,使头颅骨重叠,头围变小,就有可能造成骨膜下血管受伤破裂,血液慢慢积聚成一个血肿。
The fetal head, from an obstetrical viewpoint, and in particular its size, is important because an essential feature of labor is the adaptation between the fetal head and the maternal bony pelvis. Only a comparatively small part of the head at term is represented by the face.