可以导致新生儿脑损伤的因素包括胎盘早剥、胎粪吸入、脐带脱垂、难产、子痫、孕妇低血压以及孕妇大出血。

Factors that can contribute to neonatal brain injury include placental abruption, meconium aspiration, cord prolapse, dystocia, eclampsia, maternal hypotension, and severe maternal bleeding.

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结果：头位难产的发生率为17.91%，其中胎头方位异常占头位难产总数的76.84%，是发生难产的主要原因。

Results:The incidence of cephalic presentation dystocia was 17.91%, among which abnormality direction of fetal head was the major cause of dystocia and the incidence was 76.84%.

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