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目的通过研究孕妇在妊娠期使用食物交换份法的体重变化,探讨食物交换份法对妊娠结局的影响,获得孕期最优的饮食方法。方法 2013年1-12月期间,于将在深圳市龙岗区妇幼保健院进行分娩的孕妇中,选取120例孕前超重或者肥胖者作为研究对象,随机分成对照组(60例,未利用食物交换份法进行饮食干预)和实验组(60例,利用食物交换份法进行饮食干预),通过比较两组孕妇孕期体重增加、妊娠期间的并发症、采取的分娩方式以及新生儿的健康状况,探讨利用食物交换份法进行饮食干预对妊娠结局的影响。结果实验组孕期体重增加(12.46±3.01)kg低于对照组(15.01±5.97)kg,差异有统计学意义(P<0.05);实验组新生儿出生体重(3.23±0.310)kg低于对照组(3.91±0.021)kg,差异有统计学意义(P<0.05)。实验组难产、剖宫产发生率低于对照组,差异有统计学意义(P<0.05)。结论对孕妇在孕期进行食物交换份法饮食干预,有利于孕妇合理营养,较好的控制孕期体重增长,拥有更好的妊娠结局。
OBJECTIVE: To study the influence of food exchange method on the pregnancy outcome by studying the change of body weight of pregnant women using the method of food exchange during pregnancy and to obtain the optimal diet during pregnancy. Methods During the period from January to December 2013, 120 pregnant women who were giving birth before pregnancy in Longgang District Maternity and Child Care Hospital were enrolled as control group (60 cases, unused food exchange Law diet intervention) and experimental group (60 cases, using food exchange diet method for dietary intervention), by comparing the two groups of pregnant women during pregnancy weight gain, complications during pregnancy, adopted mode of delivery and neonatal health status, to explore the use of Impact of Dietary Interchange on Pregnancy Outcomes with Food Exchanges. Results The body weight of the experimental group during pregnancy was significantly lower (12.46 ± 3.01) kg than that of the control group (15.01 ± 5.97) kg, the difference was statistically significant (P <0.05). The newborn birth weight (3.23 ± 0.310) kg in the experimental group was lower than that in the control group (3.91 ± 0.021) kg, the difference was statistically significant (P <0.05). The experimental group was dystocia, the incidence of cesarean section was lower than the control group, the difference was statistically significant (P <0.05). Conclusion Dietary interventions for pregnant women during the pregnancy period are beneficial to the rational nutrition of pregnant women, better control the weight gain during pregnancy and have better pregnancy outcomes.