ultrasound diagnosis of fatal anomalies

ULTRASOUND SCREENING
Fig. 1.33 Second screening, 18–21 weeks.
Frontal view of the fetal retroperitoneum at
21+4weeks,showing the fetal aorta up to its
bifurcation and the branching renal arteries
(color Doppler energy mode).
Fig. 1.34 Second screening, 18–21 weeks.
Cross-section of the fetal abdomen with tilted transducer
at 23 + 3 weeks, showing both femurs, the urinary
bladder, and both umbilical arteries running up
to the navel (color Doppler sonography).
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Fig. 1.35 Second screening, 18–21 weeks.
Longitudinal section of the lower fetal abdomen at
28 + 4 weeks with the fetus in the dorsoposterior
position, demonstrating male genitals, urinary bladder,
and navel.
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