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| ==2011== | | ==2011== |
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| ===Area of Wharton's jelly as an estimate of the thickness of the umbilical cord and its relationship with estimated fatal weight===
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| Reprod Health. 2011 Nov 4;8:32.
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| Barbieri C, Cecatti JG, Surita FG, Costa ML, Marussi EF, Costa JV.
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| Source
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| Department of Obstetrics and Gynecology, School of Medical Sciences, Universidade Estadual de Campinas-UNICAMP, Campinas, São Paulo, Brazil.
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| Abstract
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| BACKGROUND:
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| To build a reference curve for the area of Wharton's jelly (WJ) in low-risk pregnancies from 13 to 40 weeks and to assess its relationship with estimated fetal weight (EFW).
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| METHODS:
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| 2,189 low-risk pregnancies had the area of WJ estimated by ultrasound and the 10th, 50th and 90th percentiles calculated using a third-degree polynomial regression procedure. EFW by ultrasound was correlated with the measurement of the area of WJ.
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| RESULTS:
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| The area of WJ increased according to gestational age (R² = 0.64), stabilizing from the 32nd week onwards. There was a significant linear correlation between area of WJ and EFW up to 26 weeks (R = 0.782) and after that 5t remained practically constant (R = 0.047).
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| CONCLUSION:
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| The area of WJ increases according to gestational age, with a trend to stabilize at around 32 weeks of gestation. It is also linearly correlated with EFW only up to 26 weeks of gestation.
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| PMID 22054163
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| http://www.reproductive-health-journal.com/content/8/1/32
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