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Influenza and Pregnancy in the United States: Before, During, and After 2009 H1N1


Clinical Obstetrics and Gynecology: June 2012 - Volume 55 - Issue 2 - p 487–497
doi: 10.1097/GRF.0b013e31824df23e
Prevention of Infection in the Obstetric Patient

Because pregnant women were recognized to be at increased risk for influenza-associated complications, special considerations for this population were included as part of preparedness efforts before the 2009 H1N1 pandemic. We review data available before the pandemic on influenza and its treatment and prevention during pregnancy. We also review pandemic preparedness efforts aimed at pregnant women and how these efforts served as a foundation for recommendations during the pandemic. Data on 2009 H1N1 influenza in pregnant women and their infants are summarized, and the application of these data to recommendations for pregnant women in future influenza seasons and pandemics is discussed.

*Influenza Coordination Unit, Office of Infectious Diseases;

Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia

The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.

The authors declare that they have nothing to disclose.

Correspondence: Sonja A. Rasmussen, MD, MS, Influenza Coordination Unit, Office of Infectious Diseases, MS A-28, CDC, Atlanta, GA. E-mail:

© 2012 Lippincott Williams & Wilkins, Inc.