头位难产虽然比较常见,但临产前很难识别,主要特征是产程进展缓慢或延长,如果处理不及时或延误诊断会导致母、儿损伤,严重者会留下后遗症甚至导致围产儿死亡。头位难产与很多因素相关,如产次、骨盆大小、胎儿体重、产程中的监测、医护人员的工作经验和识别能力等,但是尚无哪项单一因素能可靠地预测难产。 Head dystocia, although more common, but difficult to identify before labor, the main feature is slow or prolonged labor process, if the treatment is not timely or delayed diagnosis will lead to maternal and child injuries, severe cases will leave sequelae and even lead to perinatal death. Head dystocia and many factors such as birth, pelvic size, fetal weight, labor monitoring, medical staff work experience and identification ability, but no single factor can reliably predict the dystocia.