title: Unnecessary use of ultrasound in pregnancy should be avoided. Probably safe, but new evidence suggests caution.
authors.forename: Steinar
authors.initials: S
authors.lastname: Westin
authors.forename: Leiv S
authors.initials: LS
authors.lastname: Bakketeig
mesh_terms: D004869:Equipment Safety; D005260:Female; D007839:Functional Laterality; D006801:Humans; D011247:Pregnancy; D011320:Primary Health Care; D016216:Ultrasonography, Prenatal / Q000009:adverse effects*; D019564:Unnecessary Procedures