title: First trimester ultrasound scans and left-handedness.
authors.forename: Helle
authors.initials: H
authors.lastname: Kieler
authors.forename: Sven
authors.initials: S
authors.lastname: Cnattingius
authors.forename: Juni
authors.initials: J
authors.lastname: Palmgren
authors.forename: Bengt
authors.initials: B
authors.lastname: Haglund
authors.forename: Ove
authors.initials: O
authors.lastname: Axelsson
mesh_terms: D005260:Female; D007839:Functional Laterality; D006801:Humans; D008297:Male; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D015995:Prevalence; D013548:Sweden / Q000453:epidemiology; D016216:Ultrasonography, Prenatal / Q000009:adverse effects*