孕前体重指数与孕期增重及产褥期体重关系的研究

目的:了解孕前体重指数(BMI)与孕期增重、产后42天体重恢复情况及影响产后体重恢复的因素。方法:采用方便取样,对产后42天复查的产妇进行回顾性调查。结果:①不同孕前BMI妇女孕期平均增重均大于12.50kg;②不同孕前BMI者产后42天体重均存在滞留现象,平均滞留7.50kg(中位数);③影响产后体重恢复的相关因素有孕前BMI、孕期增重、喂养方式等。结论:产后体重恢复受多种因素影响,针对这些相关因素指导妇女顺利渡过孕产期,促进产后恢复。

Study for the Relation of Prepregnancy BMI, Gestational Weight Gain and Weight Retention at 42 Days Postpartum

Objective:To describe the relation of pre-pregnant BMI, gestational weight gain and weight retention at 42 days postpartum. And to study the factors that affect the weight changes during pregnancy.Methods:Retrospective study was used in the convenient sample whose pre-pregnant weight, weight before delivery and weight at 42 days postpartum were recorded. Use the questionnaire to collect the related factors.Results:The average gestational weight gain is higher than 12.50 kg.There is significant weight retention at 42 days postpartum (median=7.50 kg).Pre-pregnant BMI, gestational weight gain, feeding methods and some others are factors affect the postpartum weight changes.Conclusion:Many factors effect postpartum weight change. The care should focus on those factors.