Fig. 3From: The upper airway parameters: the potential diagnostic clues for congenital intrathoracic lesionsFetal upper airway parameters of two groups increased with gestational age. (CP1: control group, CP2: case group, TW: tracheal width, SW: width of subglottic cavity, NW: the narrowest lumen width, LW: width of laryngeal vestibule, GW, gestational weeks. The unit of width is millimeter, the unit of GW is week)Back to article page