Kid Normal Age Range. Child 8 12 years old. Based on the external diameters of both the pulmonary arteries and bronchi on chest radiographs.

Age males females newborns 1 3 days 95 368 95 368. Pulmonary artery bronchus ratios in patients with normal lungs pulmonary vascular. They are also advised to continually check for updated normal ranges.
The nine months of pregnancy will give you time to have your questions answered calm your fears and prepare yourself for the realities of parenthood.
V alues are reference values from texas children s hospital clinical laboratory current as of august 2011. Tween 12 years old. This section contains some. These stages are approximate.