1. 
   persistent fetal circulation
   A condition in which a newborn has difficulty making the transition from living in the womb to living in the outside world. It may produce respiratory problems.
   Found op http://www.babycentre.co.uk/glossary/p/
   
   
2. 
   persistent fetal circulation
   persistent pulmonary hypertension of the newborn.
   Found op http://www.encyclo.co.uk/local/21001
   
   
3. 
   Persistent Fetal Circulation
   A respiratory abnormality in which a newborn infant has difficulty breathing on their own after birth.
   Found op http://www.pregnology.com/AZ/P/4
   
   
4. 
   Persistent fetal circulation
   Persistent fetal circulation is a condition caused by a failure in the systemic circulation and pulmonary circulation to convert from the antenatal circulation pattern to the "normal" pattern. In a fetus, there is high pulmonary vascular resistance and low pulmonary blood flow as the fetus does not...
   Found op http://en.wikipedia.org/wiki/Persistent_fetal_circulation
   
   

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