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Ultrasonography, Prenatal
Ultrasonography, Doppler
Pregnancy
Gestational Age
Organ Size
Three-Dimensional Imaging
Cross-Sectional Studies
Reference Values
Reproducibility of Results
Prospective Studies
First Pregnancy Trimester
Second Pregnancy Trimester
Observer Variation
Third Pregnancy Trimester
Young Adult
Newborn Infant
Brazil
Fetal Diseases
Image Processing, Computer-Assisted
Fetuses
Co-Publications
101
92
23
17
15
8
7
6
5
4
3
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