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- W2003066686 abstract "To determine if volumetric ultrasonography (3D, static and dynamic) contributes with better information than conventional ultrasonography (2D) in the assessment of pregnancy before 7 weeks of amenorrhea. We conducted a prospective study in 30 pregnant women between the 4th and 7th week of amenorrhea. Endovaginal ultrasonography assessment was perfomed with a GE Volusson Expert 730 using multifrequency endocavitary transductor (3.7–9.3-MHz) 75% maximum potency in function ‘Early Pregnancy’ without armonicas, 5–15 minutes study duration. Once the chorionic sac had been localized, its content was assessed looking for the yolk sac and the embryo, first using 2D and afterwards using static 3D and dynamic 3D (4D). In women less than 5 weeks and 3 days of gestation, yolk sac could be identified using 3D ultrasound, preceding 3 to 4 days average its obsevation with 2D ultrasound. Assessment of the embryo before 6 weeks of gestation could be done in 12 pregnancies by means of 3D ultrasound. Multiplanar study enhanced sensitivity to detect the embryo earlier. Assessment of yolk sac, omphalomesenteric duct and embryo in gestations between 6 and 7 weeks were better perfomed with 3D. Volumetric ultrasonography (3D/4D) evaluation of early pregnancy could identify the yolk sac and embryo 3 to 4 days before 2D ultrasonography, allowing a better interpretation of the visible structures by obstetricians and parents." @default.
- W2003066686 created "2016-06-24" @default.
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- W2003066686 date "2007-09-21" @default.
- W2003066686 modified "2023-09-27" @default.
- W2003066686 title "P28.04: Volumetric ultrasonography (3D/4D) in early pregnancy" @default.
- W2003066686 doi "https://doi.org/10.1002/uog.4732" @default.
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