"COhort Study on A/H1N1 FLU During PREGnancy"

Cohort Study to Evaluate Clinical Expression and Maternofetal Consequences of A/H1N1 Influenza in Pregnant Women

The purpose of this study is to measure the incidence of A/H1N1 Influenza infection in the mother and her child and to identify the determinants in pregnant women during pandemic period in three public maternities in Paris, France.

Inclusion Criteria:

• > 18 years
• Pregnancy between 12 and 35 weeks of gestation, going in one of the following maternity cares: Port Royal, Necker, Saint Vincent de Paul
• Provides written informed consent
• Speaks and understands French
• Covered by French Social Security

Exclusion Criteria:

• Not covered by French Social Security
• Previous H1N1 influenza (virologically documented)