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本文通过对３９９例临床资料分析发现，出生体重不同，分娩方式也不同。剖宫产组平均出生体重明显高于产钳助产和阴道自然产。不同出生体重组之间，剖宫产率有明显差异，巨大胎儿组高于其它三组。阴道分娩者，出生体重不同，产程时间也不一样，巨大胎儿组第一产程和第二产程时间明显高于出生体重低于３０００ｇ组。阴道出血量以巨大胎几组为多，差异显著。新生儿性别，巨大胎儿组男女之比为２．５：１，新生儿合并症各组间无差异，但巨大胎儿组中阴道分娩者高于剖宫产者。本资料分析提示，出生体重与分娩方式、阴道出血量多少有关，体重越大，剖宫产机会越多，阴道出血量也越多。对产前未诊断出的巨大儿，只要产程中严密观察，有异常及时改变分娩方式，可以减少阴道难产和新生儿合并症的发生率。
In this paper, 399 cases of clinical data analysis found that different birth weights, delivery methods are also different. The average birth weight of cesarean section group was significantly higher than forceps midwifery and vaginal natural production. Different birth weight groups, cesarean section rates were significantly different, huge fetus group than the other three groups. Vaginal delivery, birth weight, birth time is not the same, huge fetus group of the first stage of labor and second stage of labor was significantly higher than the birth weight of less than 3000g group. Vaginal bleeding to a few large groups of many, significant difference. Neonatal sex, huge fetus group male to female ratio of 2.5: 1, neonatal complications no difference between groups, but the macrosomia fetus group was higher than the cesarean delivery. The data analysis suggests that birth weight and delivery methods, how much vaginal bleeding, the greater the weight, the more opportunities for cesarean section, vaginal bleeding more. For prenatal undiagnosed giant children, as long as the strict observation in the labor process, abnormal changes in mode of delivery in a timely manner, can reduce the incidence of vaginal dystocia and neonatal complications.