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目的了解兴山县低出生体重儿发生情况及影响因素,为加强国产保健工作,降低低出生体重儿发生率提供科学依据。方法对兴山县开展助产技术服务的医疗保健机构2006~2011年住院分娩出生的6 665名活产婴儿出生体重进行回顾性调查分析。结果 2006~2011年住院分娩出生的6 665名活产婴儿,低出生体重291例,低出生体重发生率为4.37%。不同年份低出生体重发生率差异无统计学意义(P>0.05)。男婴为3.79%,女婴为4.99%,差异有统计学意义(P<0.01);双胎以上为42.20%,单胎为3.85%;早产为41.01%,足月为2.99%,过期妊娠为2.75%;孕1产1组为3.62%,孕2产2组为3.87%,孕2产1组为4.88%,孕3产2及孕3次以上组为7.72%。结论兴山县低出生体重的发生率略低于全国平均水平。
Objective To understand the incidence and influencing factors of low birth weight infants in Xingshan County, and to provide scientific evidence for strengthening home-made health care and reducing the incidence of low birth weight infants. Methods Retrospective analysis was carried out on the birth weight of 6 665 live births born in hospitalized delivery from 2006 to 2011 in Xinshan County health care institutions that carry out midwifery technical services. Results 6 665 live births born in hospital from 2006 to 2011 were 291 with low birth weight and 4.37% with low birth weight. There was no significant difference in the incidence of low birth weight in different years (P> 0.05). 3.79% for males and 4.99% for girls, with a significant difference (P <0.01); 42.20% for twins, 3.85% for singletons, 41.01% for preterm births, and 2.99% for term infants 2.75%; 3.62% in the first trimester of pregnancy, 3.87% of the second trimester in the second trimester, 4.88% in the second trimester of the second trimester, 7.72% of the third trimester of the third trimester and more than three times of the third trimester. Conclusion The incidence of low birth weight in Xingshan County is slightly lower than the national average.