Methods Fetal biparietal diameter(BPD),head circumference(HC),abdominal circumference(AC),femur length(FL),fetal liver length(FLL) and fetal liver area(FLA) were measured by ultrasonography and analyzed with neonatal birth weight in 160 cases.

• 方法 应用 B型超声对 16 0例胎儿的双顶径、头围、腹围、股骨长度、肝脏长度和肝脏面积进行测量 ,并分析其与新生儿出生体重的关系。