Fig. 3From: Reference range of fetal thorax using two-dimensional and three-dimensional ultrasound VOCAL technique and application in fetal thoracic malformationsScatterplot of fetal thoracic parameters and gestational age. a Thoracic transverse diameter; b Thoracic anteroposterior diameter; c Thoracic circumference; d Thoracic area; e Lung volume; f Thoracic volume; g Lung-to-thoracic volume ratio. The three curves show the 2.5th centile, mean and 97.5th centile, respectivelyBack to article page