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Fig. 2 —Graph shows ratio of sonographic fetal lung volume to body
weight according to gestational age in 450 healthy control subjects ()
and in fetuses with congenital diaphragmatic hernia that are alive and well
(
), were terminated (
), and died as neonates (x). Mean
sonographic fetal lung volume–body weight ratio (solid line) was 0.025;
10th centile (lower dashed line) and 90th centile (upper dashed line) were
0.020 and 0.032, respectively.