Medical Encyclopedia
            
            
            
            16-week fetus
            
            
            
            
At week 16, the fetus:
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reaches a length of about 6 inches
 
- 
makes active movements
 
- 
makes sucking motions with the mouth 
 
            Update Date: 10/19/2007
            
            Updated by: Deirdre O’Reilly, MD, MPH, Neonatologist, Division of Newborn Medicine, Children’s Hospital Boston and Instructor in Pediatrics, Harvard Medical School, Boston, Massachusetts. Review Provided by VeriMed Healthcare Network.
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