Olof Stephansson
Karolinska University Hospital
297 Papers
660 Citations
Olof Stephansson is an academic researcher from Karolinska University Hospital. The author has contributed to research in topics: Pregnancy & Medicine. The author has an hindex of 53, co-authored 227 publications. Previous affiliations of Olof Stephansson include University of California, Berkeley & National Board of Health and Welfare.
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Papers
Population-based reference curve for umbilical cord arterial pH in infants born at 28 to 42 weeks.
Béatrice Skiöld,Béatrice Skiöld,Gunnar Petersson,Mia Ahlberg,Olof Stephansson,Olof Stephansson,Stefan Johansson +6 more
TL;DR: Umbilical cord arterial pH varied in a linear fashion by GA and was influenced by infant sex, and the provided reference curve taking GA into account may yield a more accurate definition of acidosis at birth.
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Risk of adverse birth outcomes after maternal varenicline use: A population-based observational study in Denmark and Sweden.
Lars Pedersen,Kenneth R. Petronis,Mette Nørgaard,Jingping Mo,Trine Frøslev,Olof Stephansson,Fredrik Granath,Helle Kieler,Henrik Toft Sørensen +8 more
TL;DR: To examine risks of adverse birth outcomes in women exposed to varenicline during pregnancy, a large number of women were exposed to the substance during pregnancy and the birth of their children.
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Neonatal Outcomes After COVID-19 Vaccination in Pregnancy.
Mikael Norman,Maria C. Magnus,Jonas Söderling,Petur Benedikt Juliusson,Lars Navér,Anne K. Örtqvist,S. Håberg,Olof Stephansson +7 more
- 06 Feb 2024
TL;DR: Vaccination of pregnant individuals with mRNA COVID-19 vaccines was not associated with increased risks of neonatal adverse events in their infants, and vaccination of pregnant individuals with mRNA COVID-19 vaccines was not associated with increased risks of neonatal adverse events in their infants.
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Association Between Year of Birth and 1-Year Survival Among Extremely Preterm Infants in Sweden During 2004-2007 and 2014-2016
Mikael Norman,Boubou Hallberg,Thomas Abrahamsson,Lars Björklund,Magnus Domellöf,Aijaz Farooqi,C. F. Bruun,Christian Gadsbøll,Lena Hellström-Westas,Fredrik Ingemansson,Karin Källén,David Ley,Karel Marsal,Erik Normann,Fredrik Serenius,Olof Stephansson,L. Stigson,Petra Um-Bergström,Stellan Håkansson +18 more
TL;DR: Maternal near-miss cases outnumbered maternal mortality at a ratio of 4.6 to 1.2 during the study period, and the leading cause ofNear-miss was severe preeclampsia/eClampsia, followed by severe hemorrhage, and maternal sepsis.
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Pre- and perinatal stress and irritable bowel syndrome in young adults - A nationwide register-based cohort study.
Ola Olén,Ola Olén,Olof Stephansson,Ann-Sofie Backman,Hans Törnblom,Magnus Simrén,Magnus Simrén,Maria Altman +7 more
TL;DR: The etiology of irritable bowel syndrome is poorly understood, but animal and human data suggest that early life stress may induce long‐term changes in the nociceptive circuitry, but conclusive studies are lacking.
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