• Autism risk associated with parental age and with increasing difference in age between the parents 

      Sandin, S; Schendel, D; Magnusson, P; Hultman, C; Surén, Pål; Susser, Ezra; Grønborg, T; Gissler, M; Gunnes, Nina; Gross, R; Henning, M; Bresnahan, M; Sourander, A; Hornig, M; Carter, K; Francis, R; Parner, E; Leonard, H; Rosanoff, M; Stoltenberg, Camilla; Reichenberg, A (Peer reviewed; Journal article, 2015)
      Advancing paternal and maternal age have both been associated with risk for autism spectrum disorders (ASD). However, the shape of the association remains unclear, and results on the joint associations is lacking. This ...
    • Comorbidities treated in primary care in children with chronic fatigue syndrome 

      Bakken, Inger Johanne; Tveito, Kari; Aaberg, Kari Modalsli; Ghaderi, Sara; Gunnes, Nina; Trogstad, Lill; Magnus, Per; Stoltenberg, Camilla; Håberg, Siri Eldevik (Peer reviewed; Journal article, 2016-09-02)
      Background: Chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME) is a complex condition. Causal factors are not established, although underlying psychological or immunological susceptibility has been proposed. We ...
    • Narcolepsy and hypersomnia in Norwegian children and young adults following the influenza A(H1N1) 2009 pandemic 

      Trogstad, Lill; Bakken, Inger Johanne; Gunnes, Nina; Ghaderi, Sara; Stoltenberg, Camilla; Magnus, Per; Håberg, Siri Eldevik (Peer reviewed; Journal article, 2017-04)
      Background: Associations between influenza infection and sleep disorders are poorly studied. We investigated if pandemic influenza infection or vaccination with Pandemrix in 2009/2010 was associated with narcolepsy or ...
    • Prenatal fever and autism risk 

      Hornig, Mady; Bresnahan, M; Che, X; Schultz, A F; Ukaigwe, J E; Eddy, M L; Hirtz, Deborah; Gunnes, Nina; Lie, Kari Kveim; Magnus, Per; Mjaaland, Siri; Reichborn-Kjennerud, Ted; Schjølberg, Synnve; Øyen, Anne-Siri; Levin, B; Susser, Ezra; Stoltenberg, Camilla; Lipkin, W I (Peer reviewed; Journal article, 2017)
      Some studies suggest that prenatal infection increases risk of autism spectrum disorders (ASDs). This study was undertaken in a prospective cohort in Norway to examine whether we could find evidence to support an association ...
    • Seasonal and pandemic influenza during pregnancy and risk of fetal death: A Norwegian registry‑based cohort study 

      Gunnes, Nina; Gjessing, Håkon K.; Bakken, Inger Johanne Landsjøåsen; Ghaderi, Sara; Gran, Jon Michael; Hungnes, Olav; Magnus, Per; Samuelsen, Sven Ove; Skrondal, Anders; Stoltenberg, Camilla; Trogstad, Lill; Wilcox, Allen James; Håberg, Siri Eldevik (Journal article; Peer reviewed, 2020)
      Previous studies of fetal death with maternal influenza have been inconsistent. We explored the effect of maternal influenza-like illness (ILI) in pregnancy on the risk of fetal death, distinguishing between diagnoses ...
    • Two age peaks in the incidence of chronic fatigue syndrome/myalgic encephalomyelitis: a population-based registry study from Norway 2008-2012 

      Bakken, Inger Johanne; Tveito, Kari; Gunnes, Nina; Ghaderi, Sara; Stoltenberg, Camilla; Trogstad, Lill; Håberg, Siri Eldevik; Magnus, Per (Peer reviewed; Journal article, 2014-10-01)
      Background: The aim of the current study was to estimate sex- and age-specific incidence rates of chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME) using population-based registry data. CFS/ME is a debilitating ...