This was a 22 year old lady in her 38th week of gestation, sent for 2nd opinion to confirm cleft lip.
left lateral cleft is seen
3 d reconstructed image showing the cleft lip
this 3 d cut view shows the cleft lip and an intact palate
These images are presented to show the usefulness of 3 d reconstruction in demonstrating the face and the anomalies .
The 1st picture shows the cleft lip clearly. But the reconstructed images are self explanatory
Looking Through a Transducer 
Why on earth was this only picked up at 38 weeks!! What happened at the 20 week scan?
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I was seeing this patient for the first time ; as you say , obviously it has been missed in the earlier scans
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