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Association of umbilical venous with inferior vena cava blood flow velocities. And secondly, to examine the clinical significance of this soft marker.

A SUA in the second trimester of pregnancy has umbilcial high association with Trisomy 18, 13, 21 and other chromosomal defects, but all chromosomally abnormal fetuses had associated malformations detected by ultrasound 5. The detection rate, despite having an acceptable value, should be improved.

Ultrasound Obstet Gynecol, 13pp. In fact, this is the best place to evaluate these vessels as they may fuse at the region of the umbilical cord insertion into the placenta.


Second-trimester sonographic findings in trisomy Urologic anomalies and umbilica, umbilical cords: Am J Dis Child,pp. Prospective ranking of the sonographic markers for aneuploidy: Chromosomal abnormalities associated with a single umbilical artery.

The association of single umbilical artery with cytogenetically abnormal pregnancies. Isolated single umbilical artery anomaly and the risk for congenital malformations: Int J Gynaecol Obstet, 58pp.

Of the total cases with SUA detected antenatally, 12 had suspicious malformations associated. Br J Obstet Gynecol, 99pp. With this study we pretend to determine the association between diagnosis of SUA and perinatal outcome malformations, prematurity, low birth weight, intrauterine growth retardation, delivery type as well as to determine the clinical significance of antenatal detection of a single umbilical artery.

Report of 40 cases. Transverse umbilical arterial diameter: Ultrasound Obs-tet Gynecol, 21pp.

Arteria umbilical unica | Ultrasonido | Pinterest

Ultrasound Obstet Gynecol ; 8: Isolated single umbilical artery — the case for routine renal screening. Venous Doppler ultrasonography in the fetus with non-immune hydrops.


Curr Opin Obstet Gy-necol, 13pp. Chromosomal abnormalities associated with a single umbilical artery.

Perspect Pediatr Pathol ; 8: Aplasia of one umbilical artery: J Ultrasound Med, 11pp. Pregnancies with a single umbilical artery should be carefully monitored for evidence of fetal growth retardation. The aarteria of single umbilical artery with cytogenetically abnormal pregnancies. Vascular abnormalities of the umbilical cord: Fetuses with a SUA and abnormal Doppler veloci-metry have a significantly increased risk of growth retardation, complex malformations or an abnormal karyotype than those with a SUA but normal Doppler studies.

Deteção pré-natal de artéria umbilical única: qual o seu significado?

Fused umbilical arteries near placental cord insertion. Scanning the umbilical cord should be an essential part of ultrasound examination. Incidence and associations of single umbilical artery umbilial prenatally diagnosed malformed, midtrimester fetuses: