title: Observations of fetal lung reflectivity using real-time ultrasound.
abstract: The ultrasonic appearance of the fetal lung alters as pregnancy progresses and this is expressed as increased reflectivity to ultrasound. Evidence is presented that demonstrates that these changes can be induced and that they may reflect increasing lung maturity.
mesh_terms: D005260:Female; D005325:Fetal Organ Maturity / Q000187:drug effects; D005938:Glucocorticoids / Q000494:pharmacology; D006801:Humans; D007231:Infant, Newborn; D008168:Lung / Q000187:drug effects / Q000196:embryology*; D008297:Male; D007752:Obstetric Labor, Premature / Q000517:prevention & control; D011247:Pregnancy; D011446:Prospective Studies; D014463:Ultrasonography
chemical_list: D005938:Glucocorticoids