Through seven editions protocols for high risk pregnancies has helped busy obstetricians keep pace with a constantly evolving field providing just in time content its focus on protocols and guidelines helps organize medical thinking avoid heuristic errors of omission and commission and optimize maternal and fetal outcomes. Protocols for high risk pregnancies an evidence based approach fifth edition editor s john t queenan md john c hobbins md catherine y spong md first published 18 june 2010 print isbn 9781405196505 online isbn 9781444323870 doi 101002 9781444323870. Through seven editions protocols for high risk pregnancies has helped busy obstetricians keep pace with a constantly evolving field providing just in time content its focus on protocols and guidelines helps organize medical thinking avoid heuristic errors of omission and commission and optimize maternal and fetal outcomes. Protocols for high risk pregnancies an evidence based approach edited by john t queenan catherine y spong charles j lockwood sixth edition p cm includes bibliographical references and index isbn 978 1 119 00087 7 cloth i queenan john t editor ii spong catherine y editor iii lockwood charles j editor dnlm 1