The main causes of dystocia of vertex presentation were occiput malpresentation, macrosomic infant, uterine atony, abnormal pelvic and genital tract.
导致头位难产的主要因素依次为胎头位置异、巨大儿、宫缩乏力、软产道及骨产道异
。
The main causes of dystocia of vertex presentation were occiput malpresentation, macrosomic infant, uterine atony, abnormal pelvic and genital tract.
导致头位难产的主要因素依次为胎头位置异、巨大儿、宫缩乏力、软产道及骨产道异
。
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