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Olof Stephansson

Karolinska University Hospital · SE
🔎 Find collaborators in Obstetrics and Gynecology · Public Health, Environmental and Occupational Health →
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Area of research
Obstetrics and Gynecology · Public Health, Environmental and Occupational Health
Research interest
Research interests include Gestational Diabetes Research and Management, Pregnancy and preeclampsia studies, Pregnancy and Medication Impact, and Maternal and Perinatal Health Interventions.
h-index
76
citations
17,281
works
370
NIH funding
primary concept
Medicine
email

Recent publications

Adverse pregnancy and birth outcomes in women with biopsy-proven MASLD: a nationwide cohort study
EClinicalMedicine 2025cited by 7position: middledoi
Acetaminophen Use During Pregnancy and Children’s Risk of Autism, ADHD, and Intellectual Disability
JAMA 2024cited by 110position: middledoi
Neurological development in children born moderately or late preterm: national cohort study
BMJ 2024cited by 75position: middledoi
Safety of low weight gain or weight loss in pregnancies with class 1, 2, and 3 obesity: a population-based cohort study
The Lancet 2024cited by 41position: middledoi
Neonatal Outcomes After COVID-19 Vaccination in Pregnancy
JAMA 2024cited by 39position: lastdoi
Covid-19 infection and vaccination during first trimester and risk of congenital anomalies: Nordic registry based study
BMJ 2024cited by 22position: middledoi
Maternal intrahepatic cholestasis of pregnancy and neurodevelopmental conditions in offspring: A population-based cohort study of 2 million Swedish children
PLoS Medicine 2024cited by 20position: middledoi
Birth Weight, Gestational Age, and Risk of Pediatric-Onset MASLD
JAMA Network Open 2024cited by 15position: middledoi
Association between ambient air pollution a week prior to delivery and preterm birth using a nationwide study in Sweden
International Journal of Hygiene and Environmental Health 2024cited by 6position: middledoi
The Swedish medical birth register during five decades: documentation of the content and quality of the register
European Journal of Epidemiology 2023cited by 242position: middledoi
Adverse maternal, fetal, and newborn outcomes among pregnant women with SARS-CoV-2 infection: an individual participant data meta-analysis
BMJ Global Health 2023cited by 180position: middledoi
Changes in preterm birth and stillbirth during COVID-19 lockdowns in 26 countries
Nature Human Behaviour 2023cited by 117position: middledoi
Pregnancy-Induced Hypertensive Disorder and Risks of Future Ischemic and Nonischemic Heart Failure
JACC Heart Failure 2023cited by 22position: lastdoi
Association of SARS-CoV-2 Vaccination During Pregnancy With Pregnancy Outcomes
JAMA 2022cited by 154position: lastdoi
Clinical risk factors of adverse outcomes among women with COVID-19 in the pregnancy and postpartum period: a sequential, prospective meta-analysis
American Journal of Obstetrics and Gynecology 2022cited by 132position: middledoi
Associations between ambient temperature and risk of preterm birth in Sweden: A comparison of analytical approaches
Environmental Research 2022cited by 39position: middledoi
Histological remission in inflammatory bowel disease and risk of adverse pregnancy outcomes: A nationwide study
EClinicalMedicine 2022cited by 21position: middledoi
The association between maternal characteristics and SARS-CoV-2 in pregnancy: a population-based registry study in Sweden and Norway
Scientific Reports 2022cited by 6position: lastdoi
Fetal death after the introduction of COVID-19 mitigation measures in Sweden, Denmark and Norway: a registry-based study
Scientific Reports 2022cited by 4position: middledoi
Association of Maternal SARS-CoV-2 Infection in Pregnancy With Neonatal Outcomes
JAMA 2021cited by 209position: lastdoi
Maternal and newborn health risks of climate change: A call for awareness and global action
Acta Obstetricia Et Gynecologica Scandinavica 2021cited by 121position: lastdoi
Maternal obesity increases the risk and severity of NAFLD in offspring
Journal of Hepatology 2021cited by 106position: middledoi
Preterm Birth and Stillbirth During the COVID-19 Pandemic in Sweden: A Nationwide Cohort Study
Annals of Internal Medicine 2021cited by 98position: lastdoi
Assessment of Cesarean Delivery and Neurodevelopmental and Psychiatric Disorders in the Children of a Population-Based Swedish Birth Cohort
JAMA Network Open 2021cited by 72position: middledoi
Pregnancy and risk of COVID‐19: a Norwegian registry‐linkage study
BJOG An International Journal of Obstetrics & Gynaecology 2021cited by 52position: middledoi
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 2021cited by 33position: middledoi
Association of SARS-CoV-2 Test Status and Pregnancy Outcomes
JAMA 2020cited by 127position: lastdoi
Association Between Year of Birth and 1-Year Survival Among Extremely Preterm Infants in Sweden During 2004-2007 and 2014-2016
JAMA 2019cited by 319position: middledoi
Induction of labour at 41 weeks versus expectant management and induction of labour at 42 weeks (SWEdish Post-term Induction Study, SWEPIS): multicentre, open label, randomised, superiority trial
BMJ 2019cited by 172position: middledoi
Association Between Year of Birth and 1-Year Survival Among Extremely Preterm Infants in Sweden During 2004–2007 and 2014–2016
Obstetrical & Gynecological Survey 2019cited by 80position: middledoi

Grants

No grants ingested yet.

Frequent collaborators

Sven Cnattingius · Karolinska Institutet17 papers (2012–2023)Jonas Söderling · Karolinska University Hospital11 papers (2017–2022)Anna‐Karin Wikström · Uppsala University8 papers (2012–2019)Martin Neovius · University of Hawaiʻi at Mānoa8 papers (2013–2021)Fredrik Granath · Karolinska Institutet6 papers (2012–2017)Mikael Norman · Karolinska University Hospital6 papers (2017–2024)Anne K. Örtqvist · Karolinska Institutet6 papers (2021–2024)Siri E. Håberg · London School of Hygiene & Tropical Medicine6 papers (2021–2024)Maria C. Magnus · University of Aberdeen6 papers (2021–2024)Laura Oakley · London School of Hygiene & Tropical Medicine5 papers (2021–2022)Hannes Hagström · Karolinska University Hospital5 papers (2015–2025)Helle Kieler · Karolinska University Hospital5 papers (2012–2015)Björn Pasternak · Statens Serum Institut5 papers (2017–2022)Nathalie Roos · Karolinska Institutet5 papers (2013–2024)Gunnar Petersson · Karolinska Institutet4 papers (2015–2018)Anne‐Marie Nybo Andersen · University of Copenhagen4 papers (2021–2024)Jonas Höijer · Uppsala University4 papers (2015–2018)Anna Sandström · Karolinska University Hospital4 papers (2015–2023)Gabriella Bröms · Karolinska Institutet4 papers (2012–2022)Kari Johansson · Karolinska University Hospital4 papers (2015–2024)
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