问71∶b.是关于臀位的分娩处理问题.臀位时首先考虑能否经阴道分娩,即必须检查有无FPD(胎盆不称),故须(1)骨盆X线测量和(2)超声波来检测儿头大横径.臂位分娩原则上不能试产。在临界性病例,特别是象本例的高年初产妇,软产道强韧时,要行剖腹产。儿头过度仰伸 Question 71: b. Is about breech delivery treatment problems. Breech first consider whether vaginal delivery, that is, have to check for the presence or absence of FPD (fetal disc), it is necessary (1) pelvic X-ray measurement and (2 Ultrasound to detect large diameter of the child. Arm birth in principle, can not pilot production. In critical cases, especially in this case of high early primipara, when the soft birth canal tough, to be caesarean section. Excessive stretch Yang children