ObjectivesGestational age (GA) is one of the most important obstetric factors and prediction of date of delivery is usually based on ultrasonographic fetal measurements. Our aim was to determine whether applying three different dating formulae to a cohort of extremely preterm infants influenced the estimation of their GA.
MethodsThis was a study of 513 infants delivered before 27 gestational weeks,...
ObjectivesTo investigate the possible impact of maternal obesity on ultrasonographic dating of pregnancy.
MethodsThe Swedish Medical Birth Registry was used to identify 842 083 singleton pregnancies for which the estimated date of delivery (EDD) according to last menstrual period (EDD‐LMP) and according to ultrasound examination (EDD‐US) and maternal body mass index (BMI) in early pregnancy were...
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