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、
、宫缩
力、软
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、、宫缩力、软骨异常。
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