Fetal ductus venosus pulsatility index and diameter during 20-30 weeks gestation
Chanthasenanont, A.; Pongrojpaw, D.; Somprasit, C.
Journal of the Medical Association of Thailand 91(6): 794-798
2008
ISSN/ISBN: 0125-2208 PMID: 18697375 Document Number: 3455
Objective: To present normal range of the pulsatility index and the smallest diameter in the ductus venosus in normal fetuses throughout gestation.Material and Method: This was a prospectively cross-sectional study. Three measurements were made for the ductus venosus diameter and the pulsatility index in each fetus during fetal quiescence. Statistical Package for the Social Sciences 14.0 software was used to create nomograms for the ductus venosus pulsatility index and diameter against gestational age. Four hundred and sixty normal fetuses aged seventeenth to thirty seventh weeks were evaluated.Results: The median diameter of the ductus venosus was linear across gestation.Conclusion: The nomograms for the ductus venosus pulsatility index and diameter are presented. The size of the narrowest Portion of the D V grows in a linear relationship through gestation.
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