| Second-trimester estimated fetal weight and discordance in twin pregnancies: association with fetal growth restriction. | |
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MedLine Citation:
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PMID: 21795485 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Objectives- The purpose of this study was to estimate the association between second-trimester estimated fetal weight and fetal growth restriction in twin pregnancies. Methods- A historical cohort of 306 twin pregnancies from a single center was analyzed. Estimated fetal weight and discordance at 18 to 24 weeks were calculated. Patients with a fetus whose second-trimester estimated fetal weight was below the 10th percentile were compared to patients with both fetuses at or above the 10th percentile. Also, patients with second-trimester discordance of 15% or greater were compared to patients with discordance of less than 15%. Results- Second-trimester discordance was significantly smaller than birth weight discordance (mean discordance ± SD, 7.41% ± 6.06% versus 11.43% ± 9.6%, respectively; P < .001). Patients with second-trimester discordance of 15% or greater were significantly more likely to deliver a twin with a birth weight below the 10th percentile for gestational age (67.7% versus 44.1%; P = .012) and below the 5th percentile for gestational age (41.9% versus 22.8%; P = .019). Patients with a second-trimester estimated fetal weight below the 10th percentile were significantly more likely to deliver a twin with a birth weight below the 10th percentile for gestational age (65.5% versus 44.5%; P = .031) and below the 5th percentile for gestational age (55.2% versus 21.5%; P < .001). Conclusions- In twin pregnancies, second-trimester estimated fetal weight below the 10th percentile and discordance of 15% or greater are associated with fetal growth restriction. |
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Authors:
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Nathan S Fox; Daniel H Saltzman; Rachel Schwartz; Ashley S Roman; Chad K Klauser; Andrei Rebarber |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine Volume: 30 ISSN: 1550-9613 ISO Abbreviation: J Ultrasound Med Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-07-28 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8211547 Medline TA: J Ultrasound Med Country: United States |
Other Details:
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Languages: eng Pagination: 1095-101 Citation Subset: IM |
Affiliation:
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Maternal-Fetal Medicine Associates, PLLC, 70 E 90th St, New York, NY 10128 USA. nfox@mfmnyc.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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