breech extraction

Results Fetal hypoxia, birth injury, premature, postmature pregnancy, huge baby, difficult vacuum extraction, forceps operation and breech extraction were the most dangerous elements of intracranial haemorrhage of newborn.

结果：新生儿颅内出血与胎儿缺氧及（或）产伤有关，早产、过期妊娠、巨大儿、困难的胎吸、产钳术、臀位助产术是颅内出血的高危因素。

Results Compared with natural delivery, in presence of assisted breech delivery, breech extraction, application of vacuum extractor, and cesarean section, the incidence rate of neonatal asphyxia increased significantly ( P < 0.01).

结果①臀位助产、臀位牵引、胎头吸引术、剖宫产术的新生儿窒息率经统计学处理明显高于自然分娩率（P<0.01）；

Breech position caesarean sectionshouldmaster the skill of breech extraction, operating according to breech deliverymechanism.

对于臀位剖宫产应掌握好臀牵引术的技巧，应按臀位分娩机转进行。

Results 64.7 % parturients performed cesarean section, 30.5 % assisted breech delivery and 4.7 % breech extraction.

结果其中64.7%施行剖宫产术, 30.5%施行臀位助产术,4.7%施行臀牵引术.

Their methods delivery included 73 cases of assisted breech delivery, 86 cnses of breech extraction, 40 cases of cesarean section and 5 cases of breech extraction plus craniotomy.

，均系臀牵引术分娩.臀助产73例，臀牵引86例，剖宫产40例、牵引+穿颅术5例。