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First-trimester 3D power Doppler of the uteroplacental circulation space and fetal growth restriction



First-trimester 3D power Doppler of the uteroplacental circulation space and fetal growth restriction



American Journal of Obstetrics and Gynecology 211(5): 521.E1-8



The objective of the study was to compare the 3-dimensional power Doppler (3DPD) of the uteroplacental circulation space in the first trimester between women who subsequently deliver growth-restricted vs normally grown neonates. This was a prospective observational study of singleton pregnancies at 11-14 weeks' gestation. The 3DPD indices, vascularization index, flow index, and vascularization flow index were determined on a uteroplacental circulation space sphere biopsy with the virtual organ computer-aided analysis program. Growth restriction was defined as a birthweight less than the 10th percentile for gestational age and was evaluated using both population-based and customized birth curves. Five hundred seventy-seven women were enrolled. Five hundred twenty-six were eligible for analysis using population centiles, and 497 were available for evaluation using customized centiles. There was no difference in the first-trimester 3DPD indices between patients with growth-restricted and normally grown neonates using either curve. Three-dimensional power Doppler indices of the uteroplacental circulation space in the first trimester are similar between neonates who develop growth restriction and those who will grow normally.

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Accession: 053253443

Download citation: RISBibTeXText

PMID: 24834864

DOI: 10.1016/j.ajog.2014.05.015


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