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本文报道1983年3～12月对207例37～43孕周的孕妇宫底高、腹围测值、肛查胎先露高低,分别以两种公式预测胎儿体重。第一公式:(宫底高-n)×155=胎儿体重(g)(以先露高低定n为11,12,13)。第二公式:宫底高×腹围+150=胎儿体重(g)。结果与新生儿实际体重对照,误差以±200g以内为符合。第一公式符合率为81.2％,第二公式为57％。其符合率受孕妇胖瘦、腹壁松紧、宫缩强度、密度、羊
This article reports from March 1983 to December 207 cases of 37 to 43 gestational weeks of pregnant women with uterine height, abdominal circumference measurements, anal fetal height revealed, respectively, by two formulas to predict fetal weight. The first formula: (uterine heights - n) × 155 = fetal weight (g) (to show the high and low set n as 11,12,13). The second formula: Palace of the end of the waist circumference + 150 = fetal weight (g). Results with the actual weight of newborns, the error within ± 200g for compliance. The first formula with a rate of 81.2%, the second formula is 57%. The coincidence rate of fat and thin pregnant women, abdominal tightness, contractions strength, density, sheep