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目的:探讨足月单胎活产新生儿出生体重分布及相关因素对新生儿出生体重的影响。方法:分析2003年1月1日~2012年12月31日在汉中市南郑县人民医院产科分娩的足月单胎新生儿出生体重,记录其出生体重及孕妇年龄、孕周、职业、居住地理位置、不同年度对新生儿出生体重的影响,并进行统计分析。结果:2003~2012年收住孕38~42周孕妇8 469例,新生儿出生体重分布在1 700~5 100 g,平均(3 241.89±399.81)g,平均出生体重随孕周增加而增重(P<0.001);26~35岁孕妇分娩的新生儿出生体重较高,各年龄组比较差异有统计学意义(P<0.001),男性新生儿出生体重明显重于女性,在平川丘陵地区居住的孕妇所生新生儿出生体重较在山区居住的孕妇所生新生儿出生体重重,产次为2~3次的孕妇所生新生儿出生体重较产次为1次和产次为4次的孕妇所生新生儿出生体重重(P<0.001),农民与职工孕妇所生新生儿出生体重比较差异无统计学意义(P>0.05),不同孕周新生儿出生体重各年度比较差异有统计学意义(P<0.001),以2003、2012和2011年较重。结论:新生儿出生体重与性别、居住地理位置、产次、年度及孕妇年龄有关,与孕妇职业无关,新生儿出生体重有逐年增加的趋势。
Objective: To investigate the effects of birth weight distribution and related factors on the birth weight of neonates with term singleton live birth. Methods: The birth weight of full-term singleton newborn infants born in Nanzheng County People’s Hospital of Hanzhong City from January 1, 2003 to December 31, 2012 was analyzed. The birth weight and age, gestational age, occupation, Geographical location, different years on the birth weight of newborns, and statistical analysis. Results: 8 469 pregnant women of 38-42 weeks pregnant were collected from 2003 to 2012. The birth weight of newborns ranged from 1 700-5 100 g (mean, 3 241.89 ± 399.81) g. The mean birth weight increased with gestational age (P <0.001). The birth weight of newborns at 26-35 years old was higher than that of women at birth, with significant difference in all age groups (P <0.001). The birth weight of male newborns was significantly heavier than that of females, Of newborns born pregnant women born heavier weight than those born in pregnant women born in the mountain weight of birth weight, the birth of 2 to 3 times the birth weight of newborns born to mothers than the production of 1 times and the production of 4 times The birth weight of pregnant women was significantly higher than that of pregnant women born in pregnant women (P <0.001). There was no significant difference in the birth weight of newborns between pregnant women and workers (P> 0.05) Significance (P <0.001), heavier in 2003, 2012 and 2011. Conclusion: The birth weight of newborns is related to gender, geographical location, birth time, year and the age of pregnant women. There is a tendency that the birth weight of newborns increases year by year regardless of occupation of pregnant women.