In the TrenchesH1N1 Influenza in Pregnancy Cause for ConcernSaleeby, Erin, MD, MPH; Chapman, Jocelyn, MD; Morse, Jessica, MD, MPH; Bryant, Allison, MD, MPHAuthor Information From the Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, San Francisco, California. Dr. Bryant is supported by NIH/NCRR/OD UCSF-CTSI Grant Number KL2 RR024130 and the Amos Medical Faculty Development Award of the Robert Wood Johnson Foundation. Drs. Saleeby, Chapman, and Morse are residents in the Department of Obstetrics, Gynecology, and Reproductive Sciences at the University of California, San Francisco. Dr. Bryant is Assistant Professor of Obstetrics, Gynecology, and Reproductive Sciences at the University of California, San Francisco. Address correspondence to the Consultant Editor for Clinical Case Series: Ingrid Nygaard, MD, MS, University of Utah School of Medicine, Department of Obstetrics and Gynecology, 30 North 1900 East, Room 2B200, Salt Lake City, UT 84132; e-mail: firstname.lastname@example.org. Financial Disclosure The authors did not report any potential conflicts of interest. Obstetrics & Gynecology: October 2009 - Volume 114 - Issue 4 - p 885-891 doi: 10.1097/AOG.0b013e3181bb44bb Buy Metrics H1N1 influenza during pregnancy presents with a wide spectrum of severity, and an increased index of suspicion and early treatment are warranted. © 2009 by The American College of Obstetricians and Gynecologists. Published by Wolters Kluwer Health, Inc. All rights reserved.