Pregnancy outcome in isolated single umbilical artery.

Pregnancy outcome in isolated single umbilical artery. Research Abstract Details 

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Pregnancy outcome in isolated single umbilical artery. Abstract Text:

Our objective was to determine whether the rate of small for gestational age (SGA) infants and adverse perinatal outcome are increased in pregnancies diagnosed with an isolated single umbilical artery (SUA). We compared 297 pregnancies with a SUA diagnosed on routine obstetrical ultrasound with 297 pregnancies with a three-vessel cord control. Pregnancies complicated by major fetal anomalies were excluded. The rate of SGA, fetal death, and neonatal outcomes were compared between the two groups. Data analysis were performed using the T-test and chi-square test. The sample size had 80% power to detect a 50% difference between groups assuming a SGA rate of 20% in the SUA group and 10% in the control, alpha = 0.05. Among the SUA group, in 21 neonates (7.1%) the presence of a SUA could not be confirmed by postnatal examination, and 21 (7.1%) had major congenital anomalies, leaving 255 for final analysis. In the control group, 8 of the 297 (2.7%) had major congenital anomalies, leaving 289 for final analysis. The incidence of SGA neonates was 35 of 255 (13.7%) in the isolated SUA group compared with 38 of 289 (13.1%) in the control group ( P = 0.93). The composite perinatal outcomes (fetal death and/or SGA) were also similar between the groups (16.1% versus 14.5%; P = 0.72). We concluded that pregnancies with isolated SUA have a similar rate of SGA to those with 3VC.When a SUA is identified antenatally, a targeted ultrasound is warranted to rule out associated anomalies. Serial antepartum ultrasound for fetal growth is not necessary in managing pregnancies complicated by isolated SUA.

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Pregnancy outcome in isolated single umbilical artery. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: American journal of perinatology

VOLUME: 25

Page Numbers: 239-42

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ISSN: 0735-1631

DAY: 12

MONTH: Apr

YEAR: 2008

Pregnancy outcome in isolated single umbilical artery. Information

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LANGUAGE: eng

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AFFILIATION: Department of Obstetrics and Gynecology, University of Cincinnati, Cincinnati, Ohio.

Country: United States

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MEDLINETA: Am J Perinatol

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