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dc.contributor.authorMcHugh, Lisa
dc.contributor.authorMarshall, Helen S
dc.contributor.authorPerrett, Kirsten P
dc.contributor.authorNolan, Terry
dc.contributor.authorWood, Nicholas
dc.contributor.authorLambert, Stephen B
dc.contributor.authorRichmond, Peter
dc.contributor.authorWare, Robert S
dc.contributor.authorBinks, Paula
dc.contributor.authorBinks, Michael J
dc.contributor.authorAndrews, Ross M
dc.date.accessioned2019-07-04T12:34:10Z
dc.date.available2019-07-04T12:34:10Z
dc.date.issued2019
dc.identifier.issn1058-4838
dc.identifier.doi10.1093/cid/ciy517
dc.identifier.urihttp://hdl.handle.net/10072/382996
dc.description.abstractBackground: Inactivated influenza vaccine (IIV) and pertussis vaccination are recommended in pregnancy. Limited safety data exist for women who received IIV vaccine during the first trimester of pregnancy or received both vaccines in pregnancy. We assessed adverse birth outcomes between vaccinated and unvaccinated pregnancies. Methods: Among prospectively enrolled Australian “FluMum” participants (2012–2015), primary exposure was receipt and timing of IIV during pregnancy. Primary outcomes included preterm birth, low birthweight at term (LBWT), and small for gestational age (SGA). We compared birth outcomes for IIV in pregnancy with women unvaccinated in pregnancy using Cox proportional hazard ratios (HRs) with 95% confidence intervals (CIs). Adjusted HRs (aHRs) controlled for potential confounding variables. Sensitivity analyses were conducted in a subgroup of women who received pertussis vaccination during pregnancy to assess whether associations between IIV and adverse outcomes were maintained after adjusting for pertussis vaccination. Results: Among 8827 participants in our study, women who received IIV in pregnancy did not have an elevated risk of an adverse birth outcome compared with unvaccinated pregnant women: preterm births (HR, 1.10 [95% CI, .92–1.31]; P = .28); LBWT (HR, 1.05 [95% CI, .76–1.44]; P = .77); or SGA (HR, 0.99 [95% CI, .86–1.15]; P = .94). Adjustment for pertussis vaccination during pregnancy yielded similar results: preterm births (aHR, 1.05 [95% CI, .82–1.34]; P = .69); LBWT (aHR, 0.81 [95% CI, .50–1.29]; P = .37); SGA (aHR, 0.92 [95% CI, .74–1.14]; P = .43). There was no evidence of elevated risk by trimester of IIV. Conclusions: No significant associations were found between maternal IIV or pertussis vaccination in pregnancy and adverse birth outcomes, regardless of the trimester of pregnancy a vaccination was given compared to unvaccinated pregnancies.
dc.description.peerreviewedYes
dc.languageEnglish
dc.language.isoeng
dc.publisherOXFORD UNIV PRESS INC
dc.relation.ispartofpagefrom402
dc.relation.ispartofpageto408
dc.relation.ispartofissue3
dc.relation.ispartofjournalCLINICAL INFECTIOUS DISEASES
dc.relation.ispartofvolume68
dc.subject.fieldofresearchBiological Sciences
dc.subject.fieldofresearchMedical and Health Sciences
dc.subject.fieldofresearchcode06
dc.subject.fieldofresearchcode11
dc.titleThe Safety of Influenza and Pertussis Vaccination in Pregnancy in a Cohort of Australian Mother-Infant Pairs, 2012-2015: The FluMum Study
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.hasfulltextNo Full Text
gro.griffith.authorLambert, Stephen B.
gro.griffith.authorWare, Robert


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