
什么是头位难产 头位难产是什么意思 有来医生
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难产是由于胎儿自身问题、母亲骨盆异常、子宫收缩乏力或软产道异常导致胎儿无法通过顺产分娩,需通过手术助产或剖宫产分娩。头位难产即胎儿头部在下的难产,是否发生需临产时通过阴道试产情况确定。正常位置的胎儿盆骨存在弯曲道,胎儿在其中进行一系列内旋转,最终以最小经线通过骨盆出口,顺利分娩。由于骨盆处异常或胎儿过大导致骨盆内旋转异常时,即发生难产。
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