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为提高临床对胎头前不均倾位的认识，对１９９０年１月～１９９３年６月间的２６３０例产妇进行分析。其中前不均倾位６７例（占２５％），产程中先露下降受阻、尿潴留、宫颈水肿等系前不均倾位的疑似征象。阴道检查扪及胎头之矢状缝明显后移，大、小囟门均居骨盆后方即可确诊。认为前不均倾位是最容易被忽视的胎位之一。产程中使用催产素或手转胎头前应排除前不均倾位等梗阻性难产。诊断一旦确定，应及时行剖宫产结束分娩。
In order to improve clinical understanding of the uneven propensity of the fetal head, from January 1990 to June 1993, 2630 mothers were analyzed. Including the former uneven position in 67 cases (2 5%), the birth process hinged down resistance, urinary retention, cervical edema and other suspected signs of uneven dumping. Vaginal examination palpable head of the sagittal suture was significantly displaced, large, small fontanelle pelvic rear can be diagnosed. It is one of the most overlooked fetuses to think of an uneven advance. Oxytocin in the labor process or hand before the fetal head should be excluded before the uneven dumping and other obstructive dystocia. Once diagnosed, cesarean section should be promptly terminated delivery.