Uterine hypocontractility should be augmented after both the maternal pelvis and fetal presentation have been assessed.

在对母体骨盆和胎儿先露都进行评估后，低张性子宫收缩应加以强化。

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Fetal lie is another important part of a baby's presentation.

胎位是婴儿表现的另一个重要部分。

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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%.

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。

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