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目的:了解苏州大学附属第一医院10年正常新生儿出生体重现状及分娩方式,为临床及孕期保健提供理论依据。方法:分析该院2004年~2013年住院分娩的孕37周~41+6周单胎活产新生儿出生情况,计算10年间足月活产新生儿平均剖宫产率、低出生体重儿及巨大儿发生率,计算足月各孕周出生体重情况,并进行统计学分析。结果:1近10年间足月单胎活产新生儿20 909例,男婴10 995例,女婴9 914例,男女比例为1.11∶1。阴道分娩12 629例,剖宫产8 280例,平均剖宫产率39.60%。低出生体重儿430例,平均发生率2.06%;巨大儿1 654例,平均发生率7.91%。2新生儿平均出生体重(3 344.46±450.10)g,新生儿体重呈上升趋势。3低出生体重儿总体呈下降趋势,巨大儿总体呈增长趋势。4各年份剖宫产率明显低于于阴道分娩率,剖宫产总体呈上升趋势,差异有统计学意义(P<0.05)。5各年份剖宫产平均出生体重高于阴道分娩,差异有统计学意义(P<0.05);阴道分娩平均出生体重(3 316.24±401.45)g,低于10年间平均出生体重,差异有统计学意义(P<0.05);剖宫产平均出生体重(3 388.15±498.69)g,高于10年间平均出生体重,差异有统计学意义(P<0.05)。6 39~39+6为分娩高峰孕周,平均出生体重为(3 352.86±405.99)g,与10年间平均出生体重[(3 344.46±450.10)g]相比,差异无统计学意义(P>0.05);孕37~37+6、38~38+6周新生儿出生体重小于10年间平均出生体重(P<0.05);40~40+6、41~41+6周新生儿出生体重大于10年间平均出生体重,差异有统计学意义(P<0.05)。7新生儿出生体重随孕周增加逐渐增长,差异有统计学意义(P<0.05)。结论:近年来足月活产新生儿体重呈上升趋势,剖宫产率也有所增长,说明加强孕期合理营养指导及保健具有重要的临床意义。
Objective: To understand the birth weight status and delivery mode of normal newborns in the First Affiliated Hospital of Soochow University in the past 10 years, providing theoretical basis for clinical and prenatal care. Methods: The hospital born from 2004 to 2013 in the 37 weeks of pregnancy ~ 41 + 6 weeks of singleton live births were calculated to calculate the 10-year live birth rate of newborn cesarean section, low birth weight children and The incidence of macrosomia, calculate the full-term gestational age gestational weight and carry out statistical analysis. Results: In the past 10 years, there were 20 909 neonates with full-term single live births, 10 995 boys and 9 914 girls. The male-female ratio is 1.11: 1. 12 629 cases of vaginal delivery, 8 280 cases of cesarean section, the average cesarean section rate of 39.60%. 430 cases of low birth weight infants, the average incidence of 2.06%; 1 654 huge children, the average incidence of 7.91%. 2 The average newborn birth weight (3 344.46 ± 450.10) g, the newborn body weight is on the rise. 3 low birth weight children overall downward trend, the overall growth of giant children. The rate of cesarean section in each year was significantly lower than that of vaginal delivery, and the cesarean section showed an overall upward trend with a significant difference (P <0.05). The average birth weight of cesarean section in each year was higher than that of vaginal delivery (P <0.05). The mean birth weight of vaginal delivery was 3 316.24 ± 401.45 g, lower than the average birth weight in 10 years (P <0.05). The mean birth weight of cesarean section (3 388.15 ± 498.69) g was higher than that of the average birth weight in 10 years (P <0.05). The average gestational weight at 6 39 ~ 39 + 6 was (352 352 ± 405.99) g at the peak gestational age of childbirth, which was not significantly different from the average birth weight at 10 years (3 344.46 ± 450.10 g) (P> (P <0.05). The birth weight of newborns at 37 ~ 37 + 6,38 ~ 38 + 6weeks was less than that at 10 years (P <0.05); the birth weight of newborns at 40 ~ 40 + 6,41 ~ 41 + Average annual birth weight, the difference was statistically significant (P <0.05). 7 neonatal birth weight increased gradually with gestational age, the difference was statistically significant (P <0.05). Conclusion: The body weight of newborns with full-term live births has been on the rise in recent years, and the rate of cesarean section has also increased. This indicates that strengthening the guidance of proper nutrition during pregnancy and health care have important clinical significance.