The main causes of dystocia of vertex presentation were occiput malpresentation, macrosomic infant, uterine atony, abnormal pelvic and genital tract.
导致头
的主要因素依次为胎头置异
、巨大儿、宫缩乏力、软道及骨道异。
The main causes of dystocia of vertex presentation were occiput malpresentation, macrosomic infant, uterine atony, abnormal pelvic and genital tract.
导致头的主要因素依次为胎头置异、巨大儿、宫缩乏力、软道及骨道异。
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