ultrasound diagnosis of fatal anomalies

ULTRASOUND SCREENING
Fig. 1.3 First screening: early pregnancy,
8–11 weeks. Cross-section of the fetal head at
9+5weeks,showing the lateral ventricle,
choroid plexus, and posterior fossa of the skull
(vaginal sonography, 10 MHz).
Fig. 1.4 First screening: early pregnancy,
8–11 weeks. Cross-section of the fetal head at
12+3weeks,depicting the hyaloid artery supplying
the lens of the eye.
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Fig. 1.5 First screening: early pregnancy,
8–11 weeks. Cross-section of the fetal thorax at
10+6weeksattheleveloftheheart. The fourchamber
view is clearly visible. The width of the left
ventricle measures 1.67 mm (vaginal sonography,
10 MHz).
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