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
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、宫缩力、软产道及骨产道异。
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