Methods |
Prospective cohort study assessing the effect of immunisation with pandemic monovalent vaccine during pregnancy |
Participants |
Pregnant women (n = 877) between 12 and 35 weeks of gestation, aged at least 18 years, who were not vaccinated or infected |
Interventions |
Immunisation with pandemic monovalent influenza vaccine |
Outcomes |
Delivery before the 37th gestational week, birth weight, death before or during labour |
Notes |
Government funded |
Risk of bias |
Bias |
Authors' judgement |
Support for judgement |
PCS/RCS ‐ selection exposed cohort
All outcomes |
Low risk |
Low |
PCS/RCS ‐ selection non‐exposed cohort
All outcomes |
Low risk |
Low |
PCS/RCS ‐ comparability
All outcomes |
Unclear risk |
No information was given about possible confounders |
PCS/RCS ‐ assessment of outcome
All outcomes |
Unclear risk |
Unclear |
Summary assessment |
Unclear risk |
Unclear |