新生儿是否足月,习惯上按照次末月经推算,或根据子宫底的高度,或用B型超声产前检查胎儿双顶间的大小来推断.但如果末次月经日期不准,或胎儿发育较小或较大,这样就造成了医生判断困难.目前在美国的一些医院中,采用一种简易的新生儿评分法,即白拉德氏评分法.此法简单方便,又可避免出现上述判断困难的问题.现将 Whether the full-term newborns, customary in accordance with the second-term menstrual projections, or according to the height of the bottom of the uterus, or prenatal ultrasound B-type fetus size to infer, but if the last menstrual date is not allowed, or fetal development than Small or large, thus creating a doctor to determine the difficulty in some hospitals in the United States, the use of a simple neonatal scoring method, the Bradley score method This method is simple and convenient, but also to avoid the above judgments Difficult problem now