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Micrognathia
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18 weeks a b  
An 18 week fetus with micrognathia. This fetus also had a congenital diaphragmatic hernia (not shown).  
c d  
A different 18 week fetus with micrognathia. Other findings included ventriculomegaly and cerebellar hypoplasia.  
20 weeks c    
  This fetus had cardiac and gastrointestinal abnormalities in addition to severe micrognathia.    
21 weeks d    
  This fetus had trisomy 18 and associated anomalies.    
23 weeks c d  
     
c d  
A 23 week fetus with Beckwith-Weidemann syndrome and associated severe micrognathia. Note the cystic placenta. At birth, a cleft soft palate was discovered, caused by hyperglossia.  
30 weeks c    
     
c d  
A 30 week fetus with mild micrognathia. This fetus also had a congenital diaphragmatic hernia.  
33 weeks c d d
  A 33 week fetus with micrognathia and intracranial anomalies. Although the micrognathia did not appear severe prenatally due to fetal position, the postnatal MRI clearly demonstrates the abnormal profile.