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Academic article
  • Show author(s) (2024). Three Scandinavian countries did not see the same increase in foetal situs inversus observed in China during the COVID-19 pandemic. Acta Paediatrica.
  • Show author(s) (2024). Parental education and occupation in relation to childhood type 1 diabetes: Nationwide cohort study. Journal of Epidemiology and Community Health.
  • Show author(s) (2024). Neonatal Outcomes After COVID-19 Vaccination in Pregnancy. Journal of the American Medical Association (JAMA). 396-407.
  • Show author(s) (2024). Maternal pre-pregnancy body mass index and risk of preterm birth: a collaboration using large routine health datasets. BMC Medicine. 1-13.
  • Show author(s) (2024). Integrating multiple lines of evidence to assess the effects of maternal BMI on pregnancy and perinatal outcomes. BMC Medicine. 1-14.
  • Show author(s) (2024). Comprehensive evaluation of smoking exposures and their interactions on DNA methylation. EBioMedicine. 1-16.
  • Show author(s) (2024). A Pregnancy and Childhood Epigenetics Consortium (PACE) meta-analysis highlights potential relationships between birth order and neonatal blood DNA methylation. Communications Biology. 1-11.
  • Show author(s) (2023). The influence of birth outcomes and pregnancy complications on interpregnancy interval: a quantile regression analysis. Annals of Epidemiology.
  • Show author(s) (2023). The challenges of selective fertility and carryover effects in within-sibship analyses: the effect of assisted reproductive technology on perinatal mortality as an example. International Journal of Epidemiology. 403-413.
  • Show author(s) (2023). The X-factor in ART: does the use of assisted reproductive technologies influence DNA methylation on the X chromosome? Human Genomics. 22 pages.
  • Show author(s) (2023). Temporal trends and determinants of COVID-19 vaccine series initiation after recent pregnancy. Human Vaccines & Immunotherapeutics.
  • Show author(s) (2023). Temporal trends and determinants of COVID-19 vaccine coverage and series initiation during pregnancy in Ontario, Canada, December 2020 to December 2021: A population-based retrospective cohort study. Vaccine. 1716-1725.
  • Show author(s) (2023). Statistical methods to detect mother-father genetic interaction effects on risk of infertility: A genome-wide approach. Genetic Epidemiology. 503-519.
  • Show author(s) (2023). Stability selection enhances feature selection and enables accurate prediction of gestational age using only five DNA methylation sites. Clinical Epigenetics. 14 pages.
  • Show author(s) (2023). Severe COVID-19 during pregnancy in Sweden, Norway, and Denmark. Acta Obstetricia et Gynecologica Scandinavica. 681-689.
  • Show author(s) (2023). Risk of stroke the year following a delivery after using assisted reproductive technologies. Paediatric and Perinatal Epidemiology. 5 pages.
  • Show author(s) (2023). Reproductive outcomes in women and men conceived by assisted reproductive technologies in Norway: prospective registry based study. BMJ Medicine. 10 pages.
  • Show author(s) (2023). Prevalence and predictors of post-COVID-19 symptoms in general practice - a registry-based nationwide study. BMC Infectious Diseases. 11 pages.
  • Show author(s) (2023). Pregnancy, fetal, and neonatal outcomes after a first booster dose of covid-19 vaccine during pregnancy in Ontario, Canada: population based, retrospective cohort study. BMJ Medicine. 11 pages.
  • Show author(s) (2023). Nucleated red blood cells explain most of the association between DNA methylation and gestational age. Communications Biology. 11 pages.
  • Show author(s) (2023). Maternal pre-pregnancy BMI and reproductive health in adult sons: a study in the Danish National Birth Cohort. Human Reproduction. 219-231.
  • Show author(s) (2023). Maternal educational attainment in pregnancy and epigenome-wide DNA methylation changes in the offspring from birth until adolescence. Molecular Psychiatry. 11 pages.
  • Show author(s) (2023). Maternal caffeine consumption during pregnancy and offspring cord blood DNA methylation: an epigenome-wide association study meta-analysis. Epigenomics. 1179-1193.
  • Show author(s) (2023). Maternal Risk of Cardiovascular Disease after Use of Assisted Reproductive Technologies. JAMA cardiology. 837-845.
  • Show author(s) (2023). Long-term cardiometabolic health in people born after assisted reproductive technology: a multi-cohort analysis. European Heart Journal. 1464-1473.
  • Show author(s) (2023). Infection with SARS-CoV-2 during pregnancy and risk of stillbirth: a Scandinavian registry study. BMJ Public Health. 9 pages.
  • Show author(s) (2023). Impaired glucose tolerance and cardiovascular risk factors in relation to infertility: A Mendelian randomization analysis in the Norwegian Mother, Father, and Child Cohort Study. Human Reproduction. 436-441.
  • Show author(s) (2023). Evaluating national guidelines for monitoring early growth using routinely collected data in Bergen, Norway. Scandinavian Journal of Public Health. 8 pages.
  • Show author(s) (2023). Epigenome-wide meta-analysis of prenatal maternal stressful life events and newborn DNA methylation. Molecular Psychiatry. 11 pages.
  • Show author(s) (2023). Current tobacco use and SARS-CoV-2 infection in two Norwegian population-based cohorts. BMC Public Health. 1-9.
  • Show author(s) (2023). Changes in preterm birth and stillbirth during COVID-19 lockdowns in 26 countries. Nature Human Behaviour. 529-544.
  • Show author(s) (2023). Associations between health behaviours, fertility and reproductive outcomes: triangulation of evidence in the Norwegian Mother, Father and Child Cohort Study (MoBa). BMC Medicine. 17 pages.
  • Show author(s) (2023). Association between SARS-CoV-2 infection and newly diagnosed hypertension during pregnancy: prospective, population based cohort study. BMJ Medicine. 10 pages.
  • Show author(s) (2023). A meta-analysis of epigenome-wide association studies on pregnancy vitamin B12 concentrations and offspring DNA methylation. Epigenetics. 24 pages.
  • Show author(s) (2022). The role of intervening pregnancy loss in the association between interpregnancy interval and adverse pregnancy outcomes. BJOG: An International Journal of Obstetrics and Gynaecology. 1853-1861.
  • Show author(s) (2022). The association between maternal characteristics and SARS-CoV-2 in pregnancy: a population-based registry study in Sweden and Norway. Scientific Reports. 11 pages.
  • Show author(s) (2022). The X-factor in ART: does the use of Assisted Reproductive Technologies influence DNA methylation on the X chromosome? bioRxiv.
  • Show author(s) (2022). Risk of stillbirth and neonatal death in singletons born after fresh and frozen embryo transfer: cohort study from the Committee of Nordic Assisted Reproduction Technology and Safety. Fertility and Sterility. 265-276.
  • Show author(s) (2022). Risk of preterm birth, small for gestational age at birth, and stillbirth after covid-19 vaccination during pregnancy: population based retrospective cohort study. The BMJ. 11 pages.
  • Show author(s) (2022). Pregnancy Status at the Time of Coronavirus Disease 2019 Vaccination and Incidence of Severe Acute Respiratory Syndrome Coronavirus 2 Infection. Clinical Infectious Diseases. 57-65.
  • Show author(s) (2022). Pre-pregnancy lifestyle characteristics and risk of miscarriage: the Australian Longitudinal Study on Women's Health. BMC Pregnancy and Childbirth. 10 pages.
  • Show author(s) (2022). Parents' age at birth and daughters' time to pregnancy: a study within the Norwegian Mother, Father and Child Cohort. Human Reproduction. 1896-1906.
  • Show author(s) (2022). Longitudinal associations of DNA methylation and sleep in children: a meta-analysis. Clinical Epigenetics. 12 pages.
  • Show author(s) (2022). Investigating causal relations between sleep duration and risks of adverse pregnancy and perinatal outcomes: linear and nonlinear Mendelian randomization analyses. BMC Medicine. 16 pages.
  • Show author(s) (2022). Interpregnancy interval and adverse pregnancy outcomes among pregnancies following miscarriages or induced abortions in Norway (2008–2016): A cohort study. PLoS Medicine. 1-19.
  • Show author(s) (2022). Impact of COVID-19 on pregnancy-related healthcare utilisation: a prospective nationwide registry study. BMJ Open. 10 pages.
  • Show author(s) (2022). Health at age 17 in Norwegian adolescents: Mental and physical status in the national cohort born in 2001. Scandinavian Journal of Public Health. 1148-1154.
  • Show author(s) (2022). General practitioner visits after SARS-CoV-2 omicron compared with the delta variant in children in Norway: a prospective nationwide registry study. BMJ Paediatrics Open. 1-6.
  • Show author(s) (2022). Fetal death after the introduction of COVID-19 mitigation measures in Sweden, Denmark and Norway: a registry-based study. Scientific Reports. 8 pages.
  • Show author(s) (2022). Early childhood respiratory tract infections according to parental subfertility and conception by assisted reproductive technologies. Human Reproduction. 2113-2125.
  • Show author(s) (2022). DNA methylation in newborns conceived by assisted reproductive technology. Nature Communications. 1-12.
  • Show author(s) (2022). COVID-19 vaccination in pregnant women in Sweden and Norway. Vaccine. 4686-4692.
  • Show author(s) (2022). Associations between insomnia and pregnancy and perinatal outcomes: Evidence from mendelian randomization and multivariable regression analyses. PLoS Medicine. 20 pages.
  • Show author(s) (2022). Associations between epigenetic age acceleration and infertility. Human Reproduction. 2063-2074.
  • Show author(s) (2022). Association of SARS-CoV-2 Vaccination during Pregnancy with Pregnancy Outcomes. Journal of the American Medical Association (JAMA). 1469-1477.
  • Show author(s) (2022). Association of Prenatal Antibiotics and Mode of Birth With Otolaryngology Surgery in Offspring: A National Data Linkage Study. The Pediatric Infectious Disease Journal. 368-374.
  • Show author(s) (2022). Association of COVID-19 Vaccination in Pregnancy with Adverse Peripartum Outcomes. JAMA Network Open. 1478-1487.
  • Show author(s) (2022). Association of COVID-19 Vaccination during Pregnancy with Incidence of SARS-CoV-2 Infection in Infants. JAMA Internal Medicine. 825-831.
  • Show author(s) (2022). Association of Assisted Reproductive Technology with Offspring Growth and Adiposity from Infancy to Early Adulthood. JAMA Network Open. 1-16.
  • Show author(s) (2022). An examination of mediation by DNA methylation on birthweight differences induced by assisted reproductive technologies. Clinical Epigenetics. 13 pages.
  • Show author(s) (2022). Age and sex effects on DNA methylation sites linked to genes implicated in severe COVID-19 and SARS-CoV-2 host cell entry. PLOS ONE. 12 pages.
  • Show author(s) (2021). Yersinia enterocolitica: A Follow-up of the Outbreak in the Norwegian Armed Forces in 2014. Military medicine. E996-E1000.
  • Show author(s) (2021). Time-to-pregnancy and risk of cardiovascular disease among men and women. European Journal of Epidemiology (EJE). 383-391.
  • Show author(s) (2021). The international Perinatal Outcomes in the Pandemic (iPOP) study: Protocol. Wellcome Open Research. 1-17.
  • Show author(s) (2021). The association between miscarriage and fecundability: the Norwegian Mother, Father and Child Cohort Study. Human Reproduction. 322-332.
  • Show author(s) (2021). Social and life skills in adolescents who have self-harmed: analysis of survey responses from a national sample of adolescents in Norway . BMJ Open.
  • Show author(s) (2021). Severe acute respiratory syndrome coronavirus 2 prevalence in 1170 asymptomatic Norwegian conscripts. Health Science Reports. 7 pages.
  • Show author(s) (2021). Separating parental and treatment contributions to perinatal health after fresh and frozen embryo transfer in assisted reproduction: A cohort study with within-sibship analysis. PLoS Medicine. 20 pages.
  • Show author(s) (2021). Risk of miscarriage in women with psychiatric disorders. British Journal of Psychiatry. 501-506.
  • Show author(s) (2021). Risk of miscarriage in women with chronic diseases in Norway: A registry linkage study. PLoS Medicine. 1-14.
  • Show author(s) (2021). Preterm birth after the introduction of COVID-19 mitigation measures in Norway, Sweden, and Denmark: a registry-based difference-in-differences study. American Journal of Obstetrics and Gynecology. 22 pages.
  • Show author(s) (2021). Pregnancy and risk of COVID-19: a Norwegian registry-linkage study. BJOG: An International Journal of Obstetrics and Gynaecology. 101-109.
  • Show author(s) (2021). Paternal body mass index and offspring DNA methylation: findings from the PACE consortium. International Journal of Epidemiology. 1297-1315.
  • Show author(s) (2021). Parental income and mental disorders in children and adolescents: prospective register-based study. International Journal of Epidemiology. 1615-1627.
  • Show author(s) (2021). Maternal anxiety during pregnancy and newborn epigenome-wide DNA methylation. Molecular Psychiatry. 1832-1845.
  • Show author(s) (2021). Interpregnancy intervals and adverse birth outcomes in high-income countries: An international cohort study. PLOS ONE. 17 pages.
  • Show author(s) (2021). Influenza vaccination and risk for cardiovascular events: a nationwide self-controlled case series study. BMC Cardiovascular Disorders.
  • Show author(s) (2021). Influenza hospitalizations during childhood in children born preterm. Influenza and Other Respiratory Viruses. 8 pages.
  • Show author(s) (2021). Growth in children conceived by ART. Human Reproduction. 1074-1082.
  • Show author(s) (2021). Glycated haemoglobin (HbA1c) in mid-pregnancy and perinatal outcomes. International Journal of Epidemiology. 759-768.
  • Show author(s) (2021). Factors associated with hospitalization, invasive mechanical ventilation treatment and death among all confirmed COVID-19 cases in Norway: Prospective cohort study. Scandinavian Journal of Public Health. 41-47.
  • Show author(s) (2021). Common maternal infections during pregnancy and childhood leukaemia in the offspring: Findings from six international birth cohorts. International Journal of Epidemiology. 769-777.
  • Show author(s) (2021). Childhood seizures after prenatal exposure to maternal influenza infection: A population-based cohort study from Norway, Australia and Canada. Archives of Disease in Childhood. 153-159.
  • Show author(s) (2021). Body mass index and subfertility: multivariable regression and Mendelian randomization analyses in the Norwegian Mother, Father and Child Cohort Study. Human Reproduction. 3141-3151.
  • Show author(s) (2021). Association of medically assisted reproduction with offspring cord blood DNA methylation across cohorts. Human Reproduction. 2403-2413.
  • Show author(s) (2021). Antipsychotic use in pregnancy and risk of attention/deficit-hyperactivity disorder and autism spectrum disorder: a Nordic cohort study. Evidence-Based Mental Health. 54-62.
  • Show author(s) (2021). An EPIC predictor of gestational age and its application to newborns conceived by assisted reproductive technologies. Clinical Epigenetics. 13 pages.
  • Show author(s) (2021). Admissions to Norwegian Hospitals during the COVID-19 Pandemic. Scandinavian Journal of Public Health. 681-688.
  • Show author(s) (2020). Underlying conditions in adults with COVID-19. Tidsskrift for Den norske legeforening. 14 pages.
  • Show author(s) (2020). The demographics of assisted reproductive technology births in a Nordic country. Human Reproduction. 1441-1450.
  • Show author(s) (2020). Stumped by the Hump: The Curious Rise and Fall of Norwegian Birthweights, 1991–2007. Epidemiology. 587-594.
  • Show author(s) (2020). Seasonal and pandemic influenza during pregnancy and risk of fetal death: A Norwegian registry‑based cohort study. European Journal of Epidemiology (EJE). 371-379.
  • Show author(s) (2020). Risk conditions in children hospitalized with influenza in Norway, 2017–2019. BMC Infectious Diseases. 9 pages.
  • Show author(s) (2020). Probability and outcomes of second pregnancy after HELLP syndrome in the first: A population-based registry study. Acta Obstetricia et Gynecologica Scandinavica. 1206-1213.
  • Show author(s) (2020). Is the association of early day care attendance with childhood asthma explained by underlying susceptibility? Epidemiology. 451-458.
  • Show author(s) (2020). Interpregnancy interval and hypertensive disorders of pregnancy: A population-based cohort study. Paediatric and Perinatal Epidemiology. 11 pages.
  • Show author(s) (2020). Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age. Genome Medicine. 17 pages.
  • Show author(s) (2020). Deaths after confirmed SARS-CoV-2 in Norway. Tidsskrift for Den norske legeforening. 9 pages.
  • Show author(s) (2020). DNA methylation and body mass index from birth to adolescence: meta-analyses of epigenome-wide association studies. Genome Medicine. 1-15.
  • Show author(s) (2020). Blood-based epigenetic estimators of chronological age in human adults using DNA methylation data from the Illumina MethylationEPIC array. BMC Genomics. 13 pages.
  • Show author(s) (2020). Associations between interpregnancy interval and preterm birth by previous preterm birth status in four high‐income countries: a cohort study. BJOG: An International Journal of Obstetrics and Gynaecology. 10 pages.
  • Show author(s) (2019). Role of maternal age and pregnancy history in risk of miscarriage: prospective register based study. The BMJ. 8 pages.
  • Show author(s) (2019). Parental occupational exposure to pesticides, animals and organic dust and risk of childhood leukemia and central nervous system tumors: Findings from the International Childhood Cancer Cohort Consortium (I4C). International Journal of Cancer. 11 pages.
  • Show author(s) (2019). Meta-analysis of epigenome-wide association studies in neonates reveals widespread differential DNA methylation associated with birthweight. Nature Communications. 1-11.
  • Show author(s) (2019). Maternal history of miscarriages and measures of fertility in relation to childhood asthma. Thorax. 106-113.
  • Show author(s) (2019). Maternal fever during pregnancy and offspring attention deficit hyperactivity disorder. Scientific Reports. 1-10.
  • Show author(s) (2019). Maternal Infection in Pregnancy and Childhood Leukemia: A Systematic Review and Meta-analysis. Journal of Pediatrics. 98-109.
  • Show author(s) (2019). Integrated analysis of environmental and genetic influences on cord blood DNA methylation in new-borns. Nature Communications. 1-18.
  • Show author(s) (2019). Hypertensive disorders of pregnancy and DNA methylation in newborns: Findings from the pregnancy and childhood epigenetics consortium. Hypertension. 375-383.
  • Show author(s) (2019). Hospitalization following influenza infection and pandemic vaccination in multiple sclerosis patients: a nationwide population-based registry study from Norway. European Journal of Epidemiology (EJE). 8 pages.
  • Show author(s) (2019). Higher frequency of hospitalization but lower relative mortality for pandemic influenza in people with type 2 diabetes. Journal of Internal Medicine. 78-86.
  • Show author(s) (2019). Effect of interpregnancy interval on gestational diabetes: a retrospective matched cohort study. Annals of Epidemiology. 33-38.e3.
  • Show author(s) (2019). Developing evidence-based recommendations for optimal interpregnancy intervals in high-income countries: Protocol for an international cohort study. BMJ Open.
  • Show author(s) (2019). Comparison of smoking-related DNA methylation between newborns from prenatal exposure and adults from personal smoking. Epigenomics. 1487-1500.
  • Show author(s) (2019). Burden of medically attended influenza in Norway 2008‐2017. Influenza and Other Respiratory Viruses. 240-247.
  • Show author(s) (2019). Association of Household Income with Life Expectancy and Cause-Specific Mortality in Norway, 2005-2015. Journal of the American Medical Association (JAMA). 1916-1925.
  • Show author(s) (2019). Association between interpregnancy interval and adverse birth outcomes in women with a previous stillbirth: an international cohort study. The Lancet. 1527-1535.
  • Show author(s) (2018). Vitamin A and D intake in pregnancy, infant supplementation, and asthma development: The Norwegian Mother and Child Cohort. American Journal of Clinical Nutrition. 789-798.
  • Show author(s) (2018). The association between birth order and childhood leukemia may be modified by paternal age and birth weight. Pooled results from the International Childhood Cancer Cohort Consortium (I4C). International Journal of Cancer. 26-33.
  • Show author(s) (2018). The International Childhood Cancer Cohort Consortium (I4C): A research platform of prospective cohorts for studying the aetiology of childhood cancers. Paediatric and Perinatal Epidemiology. 568-583.
  • Show author(s) (2018). Risk of pregnancy complications and adverse birth outcomes after maternal A(H1N1)pdm09 influenza: a Norwegian population-based cohort study. BMC Infectious Diseases. 9 pages.
  • Show author(s) (2018). Pandemic influenza and subsequent risk of type 1 diabetes: a nationwide cohort study. Diabetologia. 1996-2004.
  • Show author(s) (2018). Influenza and risk of later celiac disease: a cohort study of 2.6 million people. Scandinavian Journal of Gastroenterology. 15-23.
  • Show author(s) (2018). Epilepsy in children after pandemic influenza vaccination. Pediatrics. 1-9.
  • Show author(s) (2018). Epigenome-wide meta-analysis of DNA methylation and childhood asthma. Journal of Allergy and Clinical Immunology. 2062-2074.
  • Show author(s) (2018). Early prenatal exposure to pandemic influenza A (H1N1) infection and child psychomotor development at 6 months – A population-based cohort study. Early Human Development. 1-7.
  • Show author(s) (2018). Decreasing incidence of pharmacologically and non-pharmacologically treated type 2 diabetes in Norway: a nationwide study. Diabetologia. 2310-2318.
  • Show author(s) (2018). Association of Maternal Psychosocial Stress with Increased Risk of Asthma Development in Offspring. American Journal of Epidemiology. 1199-1209.
  • Show author(s) (2017). Vanishing twin syndrome among ART singletons and pregnancy outcomes. Human Reproduction. 2298-2304.
  • Show author(s) (2017). The influence of meteorological factors and atmospheric pollutants on the risk of preterm birth. American Journal of Epidemiology. 247-258.
  • Show author(s) (2017). Russefeiring og eksamenstid – bruk av fastlege og legevakt. Tidsskrift for Den norske legeforening. 4 pages.
  • Show author(s) (2017). Prenatal exposure to acetaminophen and risk of ADHD. Pediatrics. 1-11.
  • Show author(s) (2017). Pregnancy exposure to air pollution and early childhood respiratory health in the Norwegian Mother and Child Cohort Study (MoBa). BMJ Open. 9 pages.
  • Show author(s) (2017). Preeclampsia and hypertension during pregnancy in areas with relatively low levels of traffic air pollution. Maternal and Child Health Journal. 512-519.
  • Show author(s) (2017). Percutaneous coronary intervention as a trigger for stroke. American Journal of Cardiology. 35-39.
  • Show author(s) (2017). Neuraminidase inhibitors during pregnancy and risk of adverse neonatal outcomes and congenital malformations: population based European register study. The BMJ. 8 pages.
  • Show author(s) (2017). Nasjonale registerkilder i epidemiologisk forskning. Norsk Epidemiologi. 47-51.
  • Show author(s) (2017). Narcolepsy and hypersomnia in Norwegian children and young adults following the influenza A(H1N1) 2009 pandemic. Vaccine. 1879-1885.
  • Show author(s) (2017). Maternal folate intake during pregnancy and childhood asthma in a population-based cohort. American Journal of Respiratory and Critical Care Medicine. 221-228.
  • Show author(s) (2017). Maternal BMI at the start of pregnancy and offspring epigenome-wide DNA methylation: findings from the pregnancy and childhood epigenetics (PACE) consortium. Human Molecular Genetics. 4067-4085.
  • Show author(s) (2017). Legesøkning og legemiddeluttak etter innføring av nye fraværsregler. Tidsskrift for Den norske legeforening. 9 pages.
  • Show author(s) (2017). HPV vaccination and risk of chronic fatigue syndrome/myalgic encephalomyelitis: A nationwide register-based study from Norway. Vaccine. 4203-4212.
  • Show author(s) (2017). Encephalitis after influenza and vaccination: a nationwide population-based registry study from Norway. International Journal of Epidemiology. 1618-1626.
  • Show author(s) (2017). Cohort profile: Pregnancy and childhood epigenetics (PACE) consortium. International Journal of Epidemiology. 22-23u.
  • Show author(s) (2017). ADHD treatment and diagnosis in relation to children's birth month: Nationwide cohort study from Norway. Scandinavian Journal of Public Health. 343-349.
  • Show author(s) (2016). Prenatal and infant paracetamol exposure and development of asthma: The Norwegian Mother and Child Cohort Study. International Journal of Epidemiology. 512-522.
  • Show author(s) (2016). Prediction of gestational age based on genome-wide differentially methylated regions. Genome Biology. 9 pages.
  • Show author(s) (2016). Pre-eclampsia and childhood asthma. European Respiratory Journal. 1622-1630.
  • Show author(s) (2016). Maternal smoking impacts key biological pathways in newborns through epigenetic modification in Utero. BMC Genomics. 12 pages.
  • Show author(s) (2016). Maternal plasma total neopterin and kynurenine/tryptophan levels during pregnancy in relation to asthma development in the offspring. Journal of Allergy and Clinical Immunology. 1319-1325.e4.
  • Show author(s) (2016). Maternal plasma folate impacts differential DNA methylation in an epigenome-wide meta-analysis of newborns. Nature Communications. 8 pages.
  • Show author(s) (2016). Maternal age at delivery is associated with an epigenetic signature in both newborns and adults. PLOS ONE.
  • Show author(s) (2016). Do selective immunisation against tuberculosis and hepatitis B reach the targeted populations? A nationwide register-based study evaluating the recommendations in the Norwegian Childhood Immunisation Programme. Vaccine. 2015-2020.
  • Show author(s) (2016). DNA methylation score as a biomarker in newborns for sustained maternal smoking during pregnancy. Environmental Health Perspectives. 760-766.
  • Show author(s) (2016). DNA Methylation in Newborns and Maternal Smoking in Pregnancy: Genome-wide Consortium Meta-analysis. American Journal of Human Genetics. 680-696.
  • Show author(s) (2016). Comorbidity and Childhood Epilepsy: A Nationwide Registry Study. Pediatrics. 10 pages.
  • Show author(s) (2016). Comorbidities treated in primary care in children with chronic fatigue syndrome / myalgic encephalomyelitis: A nationwide registry linkage study from Norway. BMC Family Practice. 7 pages.
  • Show author(s) (2016). Association between pregnancy exposure to air pollution and birth weight in selected areas of Norway. Archives of Public Health. 9 pages.
  • Show author(s) (2016). 25-Hydroxyvitamin D in pregnancy and genome wide cord blood DNA methylation in two pregnancy cohorts (MoBa and ALSPAC). Journal of Steroid Biochemistry and Molecular Biology. 102-109.
  • Show author(s) (2015). Risk of Guillain-Barré syndrome after exposure to pandemic influenza A(H1N1)pdm09 vaccination or infection: a Norwegian population-based cohort study. European Journal of Epidemiology (EJE). 67-72.
  • Show author(s) (2015). Peak weight an heavy velocity to age 36 months and asthma development: the Norwegian Mother and Child Cohort Study. PLOS ONE. 1-13.
  • Show author(s) (2015). Grandmother's smoking when pregnant with the mother and asthma in the grandchild: the Norwegian Mother and Child Cohort Study. Thorax. 237-243.
  • Show author(s) (2015). Febrile seizures after 2009 influenza A (H1N1) vaccination and infection: a nationwide registry-based study. BMC Infectious Diseases. 7 pages.
  • Show author(s) (2015). Effect of maternal gestational weight gain on offspring DNA methylation: a follow-up to the ALSPAC cohort study. BMC Research Notes. 5 pages.
  • Show author(s) (2015). Do parental education and income matter? A nationwide register-based study on HPV vaccine uptake in the school-based immunisation programme in Norway. BMJ Open. 10 pages.
  • Show author(s) (2015). Chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME) is associated with pandemic influenza infection, but not with an adjuvanted pandemic influenza vaccine. Vaccine. 6173-6177.
  • Show author(s) (2015). Birthweight and childhood cancer: Preliminary findings from the international childhood cancer cohort consortium (I4C). Paediatric and Perinatal Epidemiology. 335-345.
  • Show author(s) (2014). Two age peaks in the incidence of chronic fatigue syndrome/myalgic encephalomyelitis: a population-based registry study from Norway 2008-2012. BMC Medicine. 7 pages.
  • Show author(s) (2014). Substance use disorders and psychotic disorders in epilepsy: a population-based registry study. Epilepsy Research. 1435-1443.
  • Show author(s) (2014). Prenatal tobacco smoke exposure is associated with childhood DNA CpG methylation. PLOS ONE. 9 pages.
  • Show author(s) (2014). Neonatal genome-wide methylation patterns in relation to birth weight in the Norwegian mother and child cohort. American Journal of Epidemiology. 834-842.
  • Show author(s) (2014). Maternal smoking and DNA methylation in newborns: In utero effect or epigenetic inheritance? Cancer Epidemiology, Biomarkers and Prevention. 1007-1017.
  • Show author(s) (2014). Causal pathways for asthma (CASPAR) – MoBa “A happy hunting ground”. Norsk Epidemiologi. 103-106.
  • Show author(s) (2014). A systematic assessment of normalization approaches for the Infinium 450K methylation platform. Epigenetics.
  • Show author(s) (2013). Risk of Fetal Death after Pandemic Influenza Virus Infection or Vaccination. New England Journal of Medicine. 333-340.
  • Show author(s) (2013). Prospective study of maternal mid-pregnancy 25-hydroxyvitamin D level and early childhood respiratory disorders. Paediatric and Perinatal Epidemiology. 532-541.
  • Show author(s) (2012). Decline in early childhood respiratory tract infections in the Norwegian Mother and Child Cohort Study after introduction of pneumococcal conjugate vaccination. The Pediatric Infectious Disease Journal. 951-955.
  • Show author(s) (2012). 450K epigenome-wide scan identifies differential DNA methylation in newborns related to maternal smoking during pregnancy. Environmental Health Perspectives. 1425-1431.
  • Show author(s) (2011). Oral contraceptive pill use before pregnancy and respiratory outcomes in early childhood. Pediatric Allergy and Immunology. 528-536.
  • Show author(s) (2011). High validity of mother-reported use of antiasthmatics among children: a comparison with a population-based prescription database. Journal of Clinical Epidemiology. 878-884.
  • Show author(s) (2011). Delivery by cesarean section and early childhood respiratory symptoms and disorders the Norwegian Mother and Child Cohort Study. American Journal of Epidemiology. 1275-1285.
  • Show author(s) (2011). Comparison of land-use regression models for predicting spatial NOx contrasts over a three year period in Oslo, Norway. Atmospheric Environment. 3576-3583.
  • Show author(s) (2010). Prenatal and postnatal parental smoking and acute otitis media in early childhood. Acta Paediatrica. 99-105.
  • Show author(s) (2010). Birth characteristics and acute otitis media in early life. International Journal of Pediatric Otorhinolaryngology. 168-172.
  • Show author(s) (2009). Maternal obesity in pregnancy and respiratory health in early childhood. Paediatric and Perinatal Epidemiology. 352-362.
  • Show author(s) (2009). Folic acid supplements in pregnancy and early childhood respiratory health. Archives of Disease in Childhood. 180-184.
  • Show author(s) (2008). Genetics and gene-environment interactions in atopic diseases. Human Heredity. 195-198.
  • Show author(s) (2008). Baby swimming and respiratory health. Acta Paediatrica. 657-662.
  • Show author(s) (2007). Effects of pre- and postnatal exposure to parental smoking on early childhood respiratory health. American Journal of Epidemiology. 679-686.
Academic lecture
  • Show author(s) (2017). Pregnancy fatty acid status and newborn DNA methylation: the MoBa pregnancy cohort.
  • Show author(s) (2014). Perinatal outcomes and children’s health after prenatal exposure to influenza infection and vaccination.
  • Show author(s) (2009). The validity of mother-reported asthma and asthma medication use in 7 year old children.
Abstract
  • Show author(s) (2013). Maternal Vitamin D Status During Pregnancy and Asthma in the Offspring Among Participants in the Norwegian Mother and Child Cohort Study. Journal of Allergy and Clinical Immunology. AB128-AB128.
  • Show author(s) (2012). The 2009 Influenza Pandemic, Vaccination during Pregnancy and Fetal Death: A National Registry-Based Study in Norway. Pharmacoepidemiology and Drug Safety. 382-382.
  • Show author(s) (2011). Oral contraceptive use before pregnancy and respiratory outcomes in the offspring: comparison of Estrogen-Progestin combined pills and Progestin-Only pills. Journal of Allergy and Clinical Immunology. AB173-AB173.
  • Show author(s) (2010). Maternal Folate Levels in Pregnancy and Asthma at 3 Years of Age. Journal of Allergy and Clinical Immunology. AB128-AB128.
  • Show author(s) (2009). The validity of mother-reported asthma and asthma medication use in children. Pharmacoepidemiology and Drug Safety. S104.
Academic literature review
  • Show author(s) (2022). Meta-analysis of epigenome-wide association studies in newborns and children show widespread sex differences in blood DNA methylation. Mutation research. Reviews in mutation research. 1-10.
  • Show author(s) (2019). Current perspectives on maternal influenza immunization. Current Tropical Medicine Reports. 239-249.
  • Show author(s) (2015). Ethical aspects of registry-based research in the Nordic countries. Clinical Epidemiology. 491-508.

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