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Dr.Sameer Dikshit MD, DGO,FCPS,FICOG Fetal Medicine Consultant, Mumbai
“ The eye only sees what the mind is prepared to comprehend” ,[object Object]
 
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Evolution of Lemon sign and Banana sign
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Arnold Chiari Malformation
Knowing earlier is always better than later !!!
Extrapolation of Arnold Chiari malformation in 1 st  Trimester
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1 st  Trimester Equivalent of Banana sign
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First Trimester equivalent of Lemon sign
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Fronto Maxillo Facial Angle ,[object Object],[object Object]
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More technological refinement   3D USG
 
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[object Object],More things change, more they remain the same…
Thank You

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Lemon and Banana signs