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An appraisal of ultrasound fetal biometry in the first trimesterDOI: http://dx.doi.org/10.2147/RMI.S9119 Keywords: biometry, crown-rump length, pregnancy dating Abstract: n appraisal of ultrasound fetal biometry in the first trimester Review (6593) Total Article Views Authors: Lily K Pemberton, Irina Burd, Eileen Wang Published Date August 2010 Volume 2010:3 Pages 11 - 15 DOI: http://dx.doi.org/10.2147/RMI.S9119 Lily K Pemberton, Irina Burd, Eileen Wang Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, PA, USA Abstract: We evaluate the current available literature on first trimester measurement references, how critically these data have been evaluated in subsequent studies, and the generalizability of the standards across different populations. We will then discuss the significance of first trimester dating for genetic screening tests and how growth in the first trimester may predict later pregnancy outcomes, which could lead to future research to modify these outcomes.
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