[Safety of the diagnostic use of ultrasonics in pregnancy].
D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012449:Safety; D014463:Ultrasonography / Q000009:adverse effects
Sicherheit des diagnostischen Einsatzes von Ultraschall in der Schwangerschaft.