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目的：在产程中通过改变产妇体位矫正枕横位的效果观察。方法：在第１ 产程中取宫口开大５ｃｍ 以后诊断为枕横位而无明显头盆不称的产妇１２０ 例，随机分为２ 组，每组为６０ 例。研究组产妇产程中在子宫收缩力和腹压作用下，指导其取仰卧位，双腿向上极度屈曲，并紧靠腹部，双手抱膝，充分外展姿式，使胎头在下降过程中逐渐转至枕前位而娩出。结果：研究组５３ 例胎儿从枕横位转至枕前位自然分娩，手术产７ 例。对照组３４ 例胎儿从枕横位转至枕前位自然分娩，手术产２６ 例。２ 组比较有显著性差异（Ｐ＜０ ．０１）。研究组第１ 产程平均时间和第２ 产程平均时间均短于对照组，２ 组比较有显著性差异（ Ｐ＜ ０．０１）。结论：在产程中改变产妇体位矫正枕横位是有效的，它可降低手术产发生率。
OBJECTIVE: To observe the effect of correcting the transverse position of the occiput in the labor process by changing maternal position. Methods: In the first stage of labor to take the cervix open 5cm after the diagnosis of occipital transverse position without obvious cephaloeminemia 120 cases were randomly divided into two groups, each group of 60 cases. The study group maternal labor in uterine contractions and abdominal pressure under the guidance of the supine position, extreme upward leg flexion, and close to the abdomen, hands and knees, full abduction posture, the fetal head in the process of decline gradually Go to the front of the pillow and delivered. Results: In the study group, 53 fetuses were transferred spontaneously from the occipital transverse position to the anterior occipital section in 7 cases. Control group, 34 cases of fetus from the occipital translocation to the anterior occipital natural childbirth, surgery in 26 cases. There was significant difference between the two groups (P <0.01). The mean time of first stage of labor and the average time of second stage of labor in study group were shorter than those in control group, there was significant difference between the two groups (P <0.01). CONCLUSIONS: It is effective to change maternal position in the midline of birth to correct the occipital transverse position, which can reduce the incidence of surgical production.