title: Routine ultrasound is the method of choice for dating pregnancy.
authors.forename: D J
authors.initials: DJ
authors.lastname: Hutchon
mesh_terms: D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D012680:Sensitivity and Specificity; D013997:Time Factors; D016216:Ultrasonography, Prenatal