Routine ultrasound is the method of choice for dating pregnancy.
Gardosi
J
J
Perinatal Research, Audit & Monitoring Unit, University Hospital, Queen's Medical Centre, Nottingham, UK.
Geirsson
R T
RT
D005314:Embryonic and Fetal Development; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011273:Pregnancy, Prolonged; D012680:Sensitivity and Specificity; D016216:Ultrasonography, Prenatal / Q000592:standards*