TRANS-CEREBELLAR DIAMETER (TCD) 

 

 

 

LANDMARKS

 

   Normal Transcerebellar Diameter (Table / Graph)

 

Variability
(
2SD, wks)

12-18 wks 1.0 wks

18-24 wks 1.8 wks

24-30 wks 2.0 wks

30-36 wks 2.4 wks

36-42 wks 3.2 wks