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O. Stephansson · SciRah

Researcher profile · Semantic Scholar

O. Stephansson

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O. Stephansson — researcher profile on SciRah

h-index: 73
Works: 329
Citations: 17K

Most-cited papers

The Swedish medical birth register during five decades: documentation of the content and quality of the register
S. Cnattingius, K. Källén, A. Sandström, Henny Rydberg +4 more
2023European Journal of Epidemiology244 citations Open access
Semantic Scholar
Association of Maternal SARS-CoV-2 Infection in Pregnancy With Neonatal Outcomes.
M. Norman, L. Navér, J. Söderling, M. Ahlberg +8 more
2021Journal of the American Medical Association (JAMA)181 citations Open access
Semantic Scholar
Adverse maternal, fetal, and newborn outcomes among pregnant women with SARS-CoV-2 infection: an individual participant data meta-analysis
E. Smith, E. Oakley, G. W. Grandner, Kacey Ferguson +71 more
2023BMJ Global Health154 citations Open access
Semantic Scholar
Association of SARS-CoV-2 Vaccination During Pregnancy With Pregnancy Outcomes.
M. Magnus, A. Örtqvist, E. Dahlqwist, R. Ljung +7 more
2022Journal of the American Medical Association (JAMA)140 citations Open access
Semantic Scholar
Acetaminophen Use During Pregnancy and Children's Risk of Autism, ADHD, and Intellectual Disability.
V. Ahlqvist, H. Sjöqvist, C. Dalman, H. Karlsson +5 more
2024Journal of the American Medical Association (JAMA)130 citations Open access
Semantic Scholar
Clinical risk factors of adverse outcomes among women with COVID-19 in the pregnancy and postpartum period: a sequential, prospective meta-analysis
E. Smith, E. Oakley, G. W. Grandner, Gordon Rukundo +76 more
2022American Journal of Obstetrics and Gynecology116 citations Open access
Semantic Scholar
Changes in preterm birth and stillbirth during COVID-19 lockdowns in 26 countries
C. Calvert, M. Brockway, Helga Zoega, J. Miller +111 more
2023Nature Human Behaviour101 citations Open access
Semantic Scholar
Neurological development in children born moderately or late preterm: national cohort study
A. Mitha, Ruo-Qing Chen, N. Razaz, S. Johansson +3 more
2024British medical journal84 citations Open access
Semantic Scholar
Preterm Birth and Stillbirth During the COVID-19 Pandemic in Sweden: A Nationwide Cohort Study
B. Pasternak, M. Neovius, J. Söderling, M. Ahlberg +3 more
2021Annals of Internal Medicine74 citations Open access
Semantic Scholar
Assessment of Cesarean Delivery and Neurodevelopmental and Psychiatric Disorders in the Children of a Population-Based Swedish Birth Cohort
Tian-Yang Zhang, G. Brander, Ä. Mantel, R. Kuja-Halkola +5 more
2021JAMA Network Open51 citations Open access
Semantic Scholar
Neonatal morbidities in infants born late preterm at 35-36 weeks of gestation - a Swedish nationwide population-based study.
A. Mitha, Ruo-Qing Chen, M. Altman, S. Johansson +2 more
2021Jornal de Pediatria46 citations Open access
Semantic Scholar
Neonatal Outcomes After COVID-19 Vaccination in Pregnancy.
M. Norman, M. Magnus, J. Söderling, P. Júlíusson +4 more
2024Journal of the American Medical Association (JAMA)42 citations Open access
Semantic Scholar
Associations between ambient temperature and risk of preterm birth in Sweden: A comparison of analytical approaches.
J. de Bont, M. Stafoggia, B. Nakstad, S. Hajat +8 more
2022Environmental Research40 citations Open access
Semantic Scholar
Safety of low maternal weight gain or weight loss in pregnancies with class 1, 2, and 3 obesity: a population-based cohort study
Kari Johansson, L. Bodnar, O. Stephansson, B. Abrams +1 more
2024The Lancet35 citations Open access
Semantic Scholar
Preterm birth after the introduction of COVID-19 mitigation measures in Norway, Sweden, and Denmark: a registry-based difference-in-differences study
L. Oakley, A. Örtqvist, J. Kinge, A. V. Hansen +8 more
2021American Journal of Obstetrics and Gynecology29 citations Open access
Semantic Scholar
Midwifery Continuity of Care During Pregnancy, Birth, and the Postpartum Period: A Matched Cohort Study
L. Lundborg, K. Åberg, X. Liu, M. Norman +5 more
2024Birth28 citations Open access
Semantic Scholar
Covid-19 infection and vaccination during first trimester and risk of congenital anomalies: Nordic registry based study
M. Magnus, J. Söderling, A. Örtqvist, A. Andersen +3 more
2024British medical journal25 citations Open access
Semantic Scholar
One-year survival and outcomes of infants born at 22 and 23 weeks of gestation in Sweden 2004–2007, 2014–2016 and 2017–2019
A. Farooqi, S. Håkansson, F. Serenius, K. Kallen +12 more
2023Archives of Disease in Childhood23 citations
Semantic Scholar
Pregnancy-Induced Hypertensive Disorder and Risks of Future Ischemic and Nonischemic Heart Failure.
Ä. Mantel, A. Sandström, Jonas Faxén, D. Andersson +3 more
2023JACC. Heart failure22 citations Open access
Semantic Scholar
COVID-19 vaccination in pregnant women in Sweden and Norway
A. Örtqvist, E. Dahlqwist, M. Magnus, R. Ljung +5 more
2022Vaccine21 citations Open access
Semantic Scholar
Pregnancy outcomes in women with immunoglobulin A nephropathy: a nationwide population-based cohort study
Simon Jarrick, S. Lundberg, O. Stephansson, Adina Symreng +3 more
2021JN. Journal of Nephrology (Milano. 1992)20 citations Open access
Semantic Scholar
Maternal intrahepatic cholestasis of pregnancy and neurodevelopmental conditions in offspring: A population-based cohort study of 2 million Swedish children
Shuyun Chen, V. Ahlqvist, H. Sjöqvist, O. Stephansson +5 more
2024PLoS Medicine19 citations Open access
Semantic Scholar
Analysis of Neurodevelopmental Disorders in Offspring of Mothers With Eating Disorders in Sweden
Ä. Mantel, A. Örtqvist, A. Hirschberg, O. Stephansson
2022JAMA Network Open19 citations Open access
Semantic Scholar
Histological remission in inflammatory bowel disease and risk of adverse pregnancy outcomes: A nationwide study
K. Mårild, J. Söderling, O. Stephansson, J. Axelrad +5 more
2022EClinicalMedicine18 citations Open access
Semantic Scholar
Association of body mass index and maternal age with first stage duration of labour
L. Lundborg, Xingrong Liu, K. Åberg, A. Sandström +3 more
2021Scientific Reports18 citations Open access
Semantic Scholar
Birth Weight, Gestational Age, and Risk of Pediatric-Onset MASLD
F. Ebrahimi, Jia-Lu Yao, Hannes Hagström, O. Stephansson +4 more
2024JAMA Network Open17 citations Open access
Semantic Scholar
Polycystic ovary syndrome and extremely preterm birth: A nationwide register-based study
H. Valgeirsdottir, I. Sundström Poromaa, T. Kunovac Kallak, E. Vanky +4 more
2021PLoS ONE17 citations Open access
Semantic Scholar
Risk of gestational diabetes mellitus in relation to early pregnancy and gestational weight gain before diagnosis: A population‐based cohort study
Huiling Xu, J. Hutcheon, Xingrong Liu, O. Stephansson +3 more
2022Acta Obstetricia et Gynecologica Scandinavica16 citations Open access
Semantic Scholar
Temporal trends in adverse pregnancy outcomes in axial spondyloarthritis in Sweden: a cohort study.
M. Morin, T. Frisell, O. Stephansson, K. Hellgren
2023The Lancet Rheumatology14 citations Open access
Semantic Scholar
Severe COVID‐19 during pregnancy in Sweden, Norway, and Denmark
A. Örtqvist, M. Magnus, A. Aabakke, S. K. Urhoj +6 more
2023Acta Obstetricia et Gynecologica Scandinavica14 citations Open access
Semantic Scholar
Evaluation of Birth by Cesarean Delivery and Development of Early-Onset Colorectal Cancer
Yin Cao, L. Nguyen, S. Tica, E. Otegbeye +6 more
2023JAMA Network Open14 citations Open access
Semantic Scholar
Pregnancy and neonatal outcomes among women with early-onset colorectal cancer: a nationwide case–control study
Yin Cao, Stephanie Zhao, T. Bexelius, J. Söderling +5 more
2023EClinicalMedicine14 citations Open access
Semantic Scholar
The Stockholm-Gotland perinatal cohort-A population-based cohort including longitudinal data throughout pregnancy and the postpartum period.
K. Johansson, M. Granfors, G. Petersson, J. Bolk +5 more
2022Paediatric and Perinatal Epidemiology14 citations Open access
Semantic Scholar
Pregnancy outcomes in women with autoimmune hepatitis - A nationwide population-based cohort study with histopathology.
Rajani Sharma, Tracey G. Simon, O. Stephansson, E. Verna +5 more
2021Clinical Gastroenterology and Hepatology14 citations Open access
Semantic Scholar
Routinely collected antenatal data for longitudinal prediction of preeclampsia in nulliparous women: a population-based study
A. Sandström, J. Snowden, M. Bottai, O. Stephansson +1 more
2021Scientific Reports14 citations Open access
Semantic Scholar
Pregnancy Outcomes in Women With Psoriatic Arthritis in Relation to Presence and Timing of Antirheumatic Treatment
K. Remaeus, K. Johansson, F. Granath, O. Stephansson +1 more
2021Arthritis & Rheumatology14 citations Open access
Semantic Scholar
Can short‐ and long‐term maternal and infant risks linked to hypertension and diabetes during pregnancy be reduced by therapy?
O. Stephansson, A. Sandström
2024Journal of Internal Medicine13 citations Open access
Semantic Scholar
Infection with SARS-CoV-2 during pregnancy and risk of stillbirth: a Scandinavian registry study
M. Magnus, A. Örtqvist, S. K. Urhoj, A. Aabakke +5 more
2023BMJ public health13 citations Open access
Semantic Scholar
Time of delivery among low‐risk women at 37–42 weeks of gestation and risks of stillbirth and infant mortality, and long‐term neurological morbidity
N. Razaz, G. Muraca, K. Fink, A. Boutin +5 more
2022Paediatric and Perinatal Epidemiology13 citations Open access
Semantic Scholar
Crude and adjusted comparisons of cesarean delivery rates using the Robson classification: A population-based cohort study in Canada and Sweden, 2004 to 2016
Giulia M. Muraca, K. Joseph, N. Razaz, Linnea V. Ladfors +2 more
2022PLoS Medicine12 citations Open access
Semantic Scholar
Histological remission in inflammatory bowel disease and female fertility: A nationwide study.
K. Mårild, J. Söderling, O. Stephansson, J. Axelrad +5 more
2024Gastroenterology11 citations Open access
Semantic Scholar
Association between SARS-CoV-2 infection and newly diagnosed hypertension during pregnancy: prospective, population based cohort study
A. Örtqvist, M. Magnus, Elisabeth Dahlqvist, J. Söderling +4 more
2023BMJ Medicine10 citations Open access
Semantic Scholar
Pregnancy Weight Gain After Gastric Bypass or Sleeve Gastrectomy
Huiling Xu, N. Holowko, I. Näslund, J. Ottosson +4 more
2023JAMA Network Open10 citations Open access
Semantic Scholar
Pregnancy, Delivery, and Neonatal Outcomes Associated With Maternal Obsessive-Compulsive Disorder
L. Fernández de la Cruz, K. Joseph, Q. Wen, O. Stephansson +2 more
2023JAMA Network Open10 citations Open access
Semantic Scholar
Infants Born to Mothers Who Were SARS-CoV-2 Positive during Pregnancy and Admitted to Neonatal Intensive Care Unit
P. Shah, C. Joynt, S. Håkansson, Michael Narvey +9 more
2022Neonatology10 citations Open access
Semantic Scholar
Risk of postpartum hemorrhage with increasing first stage labor duration
Linnea V. Ladfors, Xingrong Liu, A. Sandström, L. Lundborg +5 more
2024Scientific Reports7 citations Open access
Semantic Scholar
Three Scandinavian countries did not see the same increase in foetal situs inversus observed in China during the COVID‐19 pandemic
J. Ludvigsson, S. Håberg, P. Júlíusson, A. Andersen +2 more
2024Acta paediatrica7 citations Open access
Semantic Scholar
The association between maternal characteristics and SARS-CoV-2 in pregnancy: a population-based registry study in Sweden and Norway
A. Örtqvist, M. Magnus, J. Söderling, L. Oakley +3 more
2022Scientific Reports7 citations Open access
Semantic Scholar
Pregnancy Outcomes in Women With Systemic Sclerosis Before and/or After Diagnosis and by Parity: A Swedish Population‐Based Cohort Study
W. Che, L. Annicchiarico, L. Andreoli, O. Stephansson +2 more
2025Arthritis & Rheumatology6 citations Open access
Semantic Scholar
Association between ambient air pollution a week prior to delivery and preterm birth using a nationwide study in Sweden.
Nabeel Aziz, M. Stafoggia, O. Stephansson, Nathalie Roos +8 more
2024International Journal of Hygiene and Environmental Health6 citations Open access
Semantic Scholar

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J. Söderling×14
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J. Söderling — researcher profile on SciRah
J. Ludvigsson×11
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J. Ludvigsson — researcher profile on SciRah
A. Örtqvist×11
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A. Örtqvist — researcher profile on SciRah
S. Håberg×10
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S. Håberg — researcher profile on SciRah

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M. Magnus — researcher profile on SciRah

A. Sandström×8

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A. Sandström — researcher profile on SciRah

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M. Ahlberg — researcher profile on SciRah

S. Cnattingius×6

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S. Cnattingius — researcher profile on SciRah

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N. Razaz — researcher profile on SciRah

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M. Norman — researcher profile on SciRah

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L. Oakley — researcher profile on SciRah

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A. Nybo Andersen — researcher profile on SciRah