Two-dimensional sonographic placental measurements in the prediction of small-for-gestational-age infants

Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology
N SchwartzS Parry

Abstract

To determine the utility of two-dimensional (2D) sonographic placental measurements in the prediction of small-for-gestational-age (SGA) infants. The maximal diameter along the fetal surface of the placenta and the maximal placental thickness were measured at 18-24 weeks' gestation, and the measurements repeated in the orthogonal plane. 'Biometric lags' were calculated as the difference between sonographic gestational age, estimated using each of a number of fetal biometric measurements, and actual gestational age. These variables were analyzed individually and in combination as predictors of birth weight<10(th) percentile (SGA<10) and <5(th) percentile (SGA<5). 1909 singleton pregnancies were included. Mean placental diameter (SGA<10, P<0.001; SGA<5, P=0.002) and thickness (SGA<10, P<0.006; SGA<5, P=0.065) were significantly smaller in SGA pregnancies. The biometric lags were greater in SGA pregnancies, the lag in abdominal circumference (AC) being the most predictive of SGA (P<0.0001). Multivariable models were significantly predictive of both SGA<10(th) percentile (area under the receiver-operating characteristics curve (AUC) =0.7404) and <5(th) percentile (AUC=0.7204), the best fitting models including AC lag and mean place...Continue Reading

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Citations

Jul 30, 2014·Placenta·N SchwartzS Parry
Nov 5, 2014·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Natasha MilliganJohn C Kingdom
Jan 5, 2013·Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology·S PoratJ C P Kingdom
Mar 13, 2014·American Journal of Obstetrics and Gynecology·Nadav SchwartzSamuel Parry
Jun 24, 2016·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Hayley S QuantNadav Schwartz
Feb 15, 2019·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Khadijah I IsmailAmanda Cotter
Jun 21, 2017·Journal of Obstetrics and Gynaecology : the Journal of the Institute of Obstetrics and Gynaecology·Ki Hoon AhnHai-Joong Kim
Apr 11, 2018·Journal of Assisted Reproduction and Genetics·Lauren W SundheimerMargareta D Pisarska
May 31, 2019·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Khadijah I IsmailAmanda Cotter
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Sep 24, 2021·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Nadav SchwartzBaris Oguz

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