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目的 探讨本院近19年来足月妊娠,头位分娩,无合并症的产妇年龄、孕周、出生体重和分娩方式的变化及意义。方法 26 479例产妇资料被输入计算机,采用SSPS软件进行相关性分析、t检验和卡方检验。结果 随年代递增,产妇年龄逐渐增大,孕周减小,出生体重增加。阴道产率下降,剖宫产率上升,产钳助产率变化无规律。男女婴比例接近,男婴出生体重高于女婴,随年代不同,两者均增长,但增长幅度呈下降趋势。结论 近十几年来,胎儿出生体重逐渐增加,剖宫产率上升,男女婴比例略高于1:1。
Objective To investigate the change and significance of maternal age, gestational age, birth weight and mode of delivery in term of full-term pregnancy, head-to-head delivery and no complications in our hospital in the past 19 years. Methods Totally 26 479 maternal data were entered into the computer and the correlation analysis, t-test and chi-square test were performed using SSPS software. The results with the increasing age, maternal age gradually increased, reduced gestational age, birth weight gain. Vaginal yield decreased, the rate of cesarean section increased, changes in forceps yield irregular. The proportion of male and female babies is similar, and the birth weight of male babies is higher than that of female babies. With the different ages, both increase, but the growth rate shows a downward trend. Conclusions In the past ten years, the fetus’ birth weight gradually increased and the rate of cesarean section increased. The proportion of male and female babies was slightly higher than 1: 1.