预测胎儿体重是产前监护的一项重要内容之一 ,胎儿体重与胎儿成熟度之间有十分平行的关系。临床应用腹部触诊及宫底高度的测量来估计胎儿体重虽然是一种简单易行的办法 ,但是由于受到腹壁厚度、子宫张力、羊水量、胎位等多种因素的影响 ,这种方法估计胎儿体重不够精确 ,只能作 Predicting fetal weight is an important part of antenatal care, and there is a very parallel relationship between fetal weight and fetal maturity. Clinical application of abdominal palpation and measurement of the height of the fundus to estimate the fetal body weight although a simple and easy way, but due to abdominal wall thickness, uterine tension, amniotic fluid volume, fetal position and other factors, this method to estimate the fetus Weight is not precise enough, can only be made