Adverse Infant Outcomes Associated with Discordant Gestational Age Estimates.
Nils-Halvdan MorkenRolv SkjaervenJennifer L RichardsMichael R KramerSven CnattingiusStefan JohanssonMika GisslerSiobhan M DolanJennifer ZeitlinMichael S Kramernull nullPublished in: Paediatric and perinatal epidemiology (2016)
Infants classified as preterm by ultrasound/best estimate, but term by LMP have consistently higher risks of adverse outcomes than those classified as preterm by LMP but term by ultrasound/best estimate. Compared with ultrasound/best estimate, use of LMP overestimates the proportion of births that are preterm.