OBJECTIVE:To evaluate the effect of Lamaze breathing pain relief method on delivery so as to provide reference for its clinical application.METHODS:314 normal predelivery primiparas receiving prenatal examination with expectant vaginal delivery in Shantou Chaonan Minsheng Hospital ( hereinafter referred to as “our hospital”) from October 2013 to October 2014 were randomly collected in our study, with 160 cases assigned to receive Lamaze breathing pain relief delivery training beginning from the 28th week of pregnancy and another 154 ( control group) received routine training in “pregnant women's school” rather than Lamaze breathing pain relief delivery training.The stage of labor,mode of delivery,the amount of vaginal bleeding within 2 hours for the two groups were compared,and neonatal Apgar score at 1 min of birth were recorded to assess the degree of neonatal asphyxia .The“self-rating anxiety scale” and“self-rating depression scale” were used to assess the degree of anxiety and depression of pregnant women. The beta endorphin level was determined.RESULTS:The spontaneous delivery rate in the observation group was significantly higher than in the control group [93.75%(150/160) vs.64.94%(100/154);P<0.05)];the first, second and total stage of labor in the observation group were 32.20%,57.28%and 34.72%less than in the control group respectively ( P<0.05 );the blood loss in the observation group on the second postpartum hour was significantly lower than in the control group [(429 ±231)ml vs.(483 ±207)ml] yet the primipara Apgar score was significantly higher and neonatal asphyxia incidence was significantly lower than in the control group ( P<0.05 ); the degree of anxiety and depression as well as the beta endorphin level in the observation group were significantly lower than that in the control group ( P<0.05 ) .CONCLUSIONS:Lamaze breathing pain relief delivery can significantly shorten the labor stage, improve the rate of spontaneous delivery, reduce the rate of cesarean section, and reduce postpartum bleeding and neonatal asphyxia, which may be related to the decrease of β-endorphin immune reaction level in gestational women.%目的：探讨拉玛泽呼吸减痛法对分娩的影响，为其临床应用提供参考。方法：收集2013年10月—2014年10月汕头潮南民生医院（以下简称“我院”）妇产科接受妊娠期检查并在我院待产的拟行阴道分娩的正常初产妇314例，160例为接受拉玛泽呼吸减痛分娩法训练者，纳入观察组；154例为未接受拉玛泽呼吸减痛分娩法训练者，纳入对照组。观察组初产妇从妊娠28周起在我院接受拉玛泽呼吸分娩减痛法训练，对照组在“孕妇学校”上课接受常规宣教。比较2组初产妇的产程时间、分娩方式、2h内阴道出血量，记录新生儿1 min Apgar评分并判断新生儿窒息程度，采用“焦虑自评量表”和“抑郁自评量表”观测2组初产妇的焦虑和抑郁程度，同时测定初产妇体内β－内啡肽水平的高低。结果：观察组初产妇的自然分娩率为93．75％（150／160），明显高于对照组的64．94％（100／154）（ P＜0．05）；观察组初产妇的第一产程、第二产程和总产程时间分别较对照组缩短32．20％、57．28％和34．72％（P＜0．05）；观察组初产妇产后2 h出血量为（429±231）ml，明显低于对照组的（483±207）ml；观察组初产妇的Apgar评分明显高于对照组，而新生儿窒息发生率则明显低于对照组（ P＜0．05）；观察组初产妇的焦虑和抑郁程度明显低于对照组，且β－内啡肽水平也较对照组明显降低（ P＜0．05）。结论：拉玛泽减痛分娩法能明显缩短产程，提高自然分娩率，降低剖宫产率，减少产后出血和新生儿窒息，这可能与其降低妊娠期妇女体内β－内啡肽免疫反应性水平有关。
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