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
的主要因素依次为胎头位置异常、巨
、
缩
力、软
及骨异常。
,先露异常The main causes of dystocia of vertex presentation were occiput malpresentation, macrosomic infant, uterine atony, abnormal pelvic and genital tract.
导致头位难的主要因素依次为胎头位置异常、巨、缩力、软及骨异常。
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