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目的探讨一种准确而又简单的预测胎儿体重方法。方法分别运用临床常用公式(公式Ⅰ)和自创改良公式(公式Ⅱ)对259例孕产妇的胎儿体重进行估计。结果腹脂厚度>4.0cm时,孕产妇运用公式Ⅱ预测胎儿体重符合率及巨大儿预测率、符合率与运用公式Ⅰ比较,差异有显著性意义(P<0.05,P<0.01);而对腹脂厚度≤4.0cm孕产妇两种公式胎儿体重预测符合率及巨大儿预测率、符合率比较,差异无显著性意义(均P>0.05)。结论对肥胖孕产妇(腹脂厚度>4.0cm者)不能单纯以宫高、腹围估计胎儿体重而忽略腹壁脂肪厚度。
Objective To explore an accurate and simple method of predicting fetal weight. Methods The body weight of 259 pregnant women was estimated by using the common clinical formula (formula I) and the self-developed formula (formula II) respectively. Results When abdominal fat thickness> 4.0cm, maternal application of formula Ⅱ predicted fetal weight coincidence rate and macrosomia predictive rate. The coincidence rate was significantly different from that of formula Ⅰ (P <0.05, P <0.01) Abdominal fat thickness ≤ 4.0cm maternal two formulas fetal weight prediction coincidence rate and macrosomia predictive rate, coincidence rate, the difference was not statistically significant (P> 0.05). Conclusion For obese pregnant women (abdominal fat thickness> 4.0cm), the fetal height can not be estimated simply by the height of the uterus and abdominal wall, but the abdominal fat thickness should be ignored.