Application of Thermography to the Problem of Placental Localization: Preliminary Communication

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Abstract
The problems of placental localization and other applications of thermography are reviewed briefly to indicate the rationale of a trial of the Pyroscan and its theoretical advantages. Cases were selected for thermographic study upon their liability to be delivered per abdomen. From 47 cases studied 13 came to section and the accuracy of predictions is assessed and discussed. A basic description of the Pyroscan is given, and experimental methods and conditions are described. Interpretation of thermographs of the pregnant abdomen is disucssed with reference to the thermal contours of nonpregnant controls. The results showed that the site of functional placental tissue could be accurately predicted in one plane in all the cases that came to section.