ACOG Publications: PDF OnlyACOG Committee Opinion No. 439: Informed ConsentObstetrics & Gynecology 114(2 Part 1):p 401-408, August 2009. | DOI: 10.1097/AOG.0b013e3181b48f7f Free Metrics © 2009 by The American College of Obstetricians and Gynecologists. Published by Wolters Kluwer Health, Inc. All rights reserved.