Ultrasound revisited.
D002648:Child; D003657:Decision Making; D019317:Evidence-Based Medicine; D005260:Female; D005323:Fetal Monitoring / Q000009:adverse effects* / Q000379:methods; D006801:Humans; D007805:Language Development Disorders / Q000209:etiology*; D011247:Pregnancy; D011297:Prenatal Exposure Delayed Effects; D011639:Public Opinion; D016032:Randomized Controlled Trials as Topic; D012107:Research Design / Q000592:standards; D016216:Ultrasonography, Prenatal / Q000009:adverse effects* / Q000379:methods