Fredrik Serenius

The Impact of Prematurity on Self-Reported Quality of Life in Adulthood: A Prospective Swedish National Cohort Study of Infants Born with Extremely Low Birth Weight

Heyman, Maria; Grönqvist, Helena; Hellström-Westas, Lena; Serenius, Fredrik et al.

Part of The Journal of Pediatrics, 2026

• DOI for The Impact of Prematurity on Self-Reported Quality of Life in Adulthood: A Prospective Swedish National Cohort Study of Infants Born with Extremely Low Birth Weight
• Download full text (pdf) of The Impact of Prematurity on Self-Reported Quality of Life in Adulthood: A Prospective Swedish National Cohort Study of Infants Born with Extremely Low Birth Weight

Neurodevelopmental Outcomes 12 Years After Extremely Preterm Birth in Sweden

Serenius, Fredrik; Abrahamsson, Thomas; Ådén, Ulrika; Hellgren, Kerstin et al.

Part of Pediatrics, 2026

• DOI for Neurodevelopmental Outcomes 12 Years After Extremely Preterm Birth in Sweden

Postnatal betamethasone treatment in extremely preterm infants and risk of neurodevelopmental impairment: a cohort study

Löfberg, Linn; Serenius, Fredrik; Hellström-Westas, Lena; Olhager, Elisabeth et al.

Part of Archives of Disease in Childhood, p. 382-387, 2025

• DOI for Postnatal betamethasone treatment in extremely preterm infants and risk of neurodevelopmental impairment: a cohort study
• Download full text (pdf) of Postnatal betamethasone treatment in extremely preterm infants and risk of neurodevelopmental impairment: a cohort study

Centralisation of extremely preterm births and decreased early postnatal mortality in Sweden, 2004‐2007 versus 2014‐2016

Gadsbøll, Christian; Björklund, Lars J.; Norman, Mikael; Abrahamsson, Thomas et al.

Part of Acta Paediatrica, p. 319-331, 2025

• DOI for Centralisation of extremely preterm births and decreased early postnatal mortality in Sweden, 2004‐2007 versus 2014‐2016
• Download full text (pdf) of Centralisation of extremely preterm births and decreased early postnatal mortality in Sweden, 2004‐2007 versus 2014‐2016

Respiratory support and bronchopulmonary dysplasia in infants born at 22–26 weeks gestation in Sweden, 2004–2007 and 2014–2016

Löfberg, Linn; Abrahamsson, Thomas; Björklund, Lars J.; Hellström-Westas, Lena et al.

Part of European Respiratory Journal, 2025

• DOI for Respiratory support and bronchopulmonary dysplasia in infants born at 22–26 weeks gestation in Sweden, 2004–2007 and 2014–2016
• Download full text (pdf) of Respiratory support and bronchopulmonary dysplasia in infants born at 22–26 weeks gestation in Sweden, 2004–2007 and 2014–2016

The Impact of Prematurity on Self-Reported Quality of Life in Adulthood: A Prospective Swedish National Cohort Study of Infants Born with Extremely Low Birth Weight

Heyman, Maria; Grönqvist, Helena; Hellström-Westas, Lena; Serenius, Fredrik et al.

Part of The Journal of Pediatrics, 2026

• DOI for The Impact of Prematurity on Self-Reported Quality of Life in Adulthood: A Prospective Swedish National Cohort Study of Infants Born with Extremely Low Birth Weight
• Download full text (pdf) of The Impact of Prematurity on Self-Reported Quality of Life in Adulthood: A Prospective Swedish National Cohort Study of Infants Born with Extremely Low Birth Weight

Neurodevelopmental Outcomes 12 Years After Extremely Preterm Birth in Sweden

Serenius, Fredrik; Abrahamsson, Thomas; Ådén, Ulrika; Hellgren, Kerstin et al.

Part of Pediatrics, 2026

• DOI for Neurodevelopmental Outcomes 12 Years After Extremely Preterm Birth in Sweden

Postnatal betamethasone treatment in extremely preterm infants and risk of neurodevelopmental impairment: a cohort study

Löfberg, Linn; Serenius, Fredrik; Hellström-Westas, Lena; Olhager, Elisabeth et al.

Part of Archives of Disease in Childhood, p. 382-387, 2025

• DOI for Postnatal betamethasone treatment in extremely preterm infants and risk of neurodevelopmental impairment: a cohort study
• Download full text (pdf) of Postnatal betamethasone treatment in extremely preterm infants and risk of neurodevelopmental impairment: a cohort study

Centralisation of extremely preterm births and decreased early postnatal mortality in Sweden, 2004‐2007 versus 2014‐2016

Gadsbøll, Christian; Björklund, Lars J.; Norman, Mikael; Abrahamsson, Thomas et al.

Part of Acta Paediatrica, p. 319-331, 2025

• DOI for Centralisation of extremely preterm births and decreased early postnatal mortality in Sweden, 2004‐2007 versus 2014‐2016
• Download full text (pdf) of Centralisation of extremely preterm births and decreased early postnatal mortality in Sweden, 2004‐2007 versus 2014‐2016

Respiratory support and bronchopulmonary dysplasia in infants born at 22–26 weeks gestation in Sweden, 2004–2007 and 2014–2016

Löfberg, Linn; Abrahamsson, Thomas; Björklund, Lars J.; Hellström-Westas, Lena et al.

Part of European Respiratory Journal, 2025

• DOI for Respiratory support and bronchopulmonary dysplasia in infants born at 22–26 weeks gestation in Sweden, 2004–2007 and 2014–2016
• Download full text (pdf) of Respiratory support and bronchopulmonary dysplasia in infants born at 22–26 weeks gestation in Sweden, 2004–2007 and 2014–2016

Impact of maternal prepregnancy body mass index on neonatal outcomes following extremely preterm birth

Girard, Charlotte; Zeitlin, Jennifer; Marlow, Neil; Norman, Mikael et al.

Part of Obesity, p. 599-611, 2025

• DOI for Impact of maternal prepregnancy body mass index on neonatal outcomes following extremely preterm birth
• Download full text (pdf) of Impact of maternal prepregnancy body mass index on neonatal outcomes following extremely preterm birth

One-year survival and outcomes of infants born at 22 and 23 weeks of gestation in Sweden 2004-2007, 2014-2016 and 2017-2019

Farooqi, Aijaz; Hakansson, Stellan; Serenius, Fredrik; Kallen, Karin et al.

Part of Archives of Disease in Childhood, p. 10-17, 2024

• DOI for One-year survival and outcomes of infants born at 22 and 23 weeks of gestation in Sweden 2004-2007, 2014-2016 and 2017-2019

Factors associated with the increased incidence of necrotising enterocolitis in extremely preterm infants in Sweden between two population-based national cohorts (2004-2007 vs 2014-2016)

Challis, Pontus; Kallen, Karin; Bjorklund, Lars; Elfvin, Anders et al.

Part of Archives of Disease in Childhood, p. 87-93, 2024

• DOI for Factors associated with the increased incidence of necrotising enterocolitis in extremely preterm infants in Sweden between two population-based national cohorts (2004-2007 vs 2014-2016)
• Download full text (pdf) of Factors associated with the increased incidence of necrotising enterocolitis in extremely preterm infants in Sweden between two population-based national cohorts (2004-2007 vs 2014-2016)

Neurobehavioral symptoms in children born extremely preterm: A Swedish National Study

Serenius, Fredrik; Fredriksson Kaul, Ylva; Källén, Karin; Hafström, Maria et al.

Part of Acta Paediatrica, p. 2387-2399, 2023

• DOI for Neurobehavioral symptoms in children born extremely preterm: A Swedish National Study
• Download full text (pdf) of Neurobehavioral symptoms in children born extremely preterm: A Swedish National Study

Perinatal risk factors for developmental coordination disorder in children born extremely preterm

Bolk, Jenny; Källén, Karin; Farooqi, Aijaz; Hafström, Maria et al.

Part of Acta Paediatrica, p. 675-685, 2023

• DOI for Perinatal risk factors for developmental coordination disorder in children born extremely preterm
• Download full text (pdf) of Perinatal risk factors for developmental coordination disorder in children born extremely preterm

Predictive value of Bayley-III Motor Index for later motor difficulties in children born extremely preterm

Montgomery, Cecilia; Setänen, Sirkku; Fredriksson Kaul, Ylva; Farooqi, Aijaz et al.

Part of Acta Paediatrica, p. 742-752, 2023

• DOI for Predictive value of Bayley-III Motor Index for later motor difficulties in children born extremely preterm
• Download full text (pdf) of Predictive value of Bayley-III Motor Index for later motor difficulties in children born extremely preterm

Birth outcomes between 22 and 26 weeks' gestation in national population-based cohorts from Sweden, England and France

Morgan, Andrei S.; Zeitlin, Jennifer; Kallen, Karin; Draper, Elizabeth S. et al.

Part of Acta Paediatrica, p. 59-75, 2022

• DOI for Birth outcomes between 22 and 26 weeks' gestation in national population-based cohorts from Sweden, England and France
• Download full text (pdf) of Birth outcomes between 22 and 26 weeks' gestation in national population-based cohorts from Sweden, England and France

Cognitive profiles of extremely preterm children: Full-Scale IQ hides strengths and weaknesses

Kaul, Ylva Fredriksson; Johansson, Martin; Månsson, Johanna; Stjernqvist, Karin et al.

Part of Acta Paediatrica, p. 1817-1826, 2021

• DOI for Cognitive profiles of extremely preterm children: Full-Scale IQ hides strengths and weaknesses
• Download full text (pdf) of Cognitive profiles of extremely preterm children: Full-Scale IQ hides strengths and weaknesses

The type and timing of patent ductus arteriosus treatment was associated with neurodevelopment when extremely preterm infants reached 6.5 years

Gudmundsdottir, Anna; Brostrom, Lina; Skiold, Beatrice; Kallen, Karin et al.

Part of Acta Paediatrica, p. 510-520, 2021

• DOI for The type and timing of patent ductus arteriosus treatment was associated with neurodevelopment when extremely preterm infants reached 6.5 years

The ability of Bayley-III scores to predict later intelligence in children born extremely preterm

Mansson, Johanna; Kallen, Karin; Eklof, Eva; Serenius, Fredrik et al.

Part of Acta Paediatrica, p. 3030-3039, 2021

• DOI for The ability of Bayley-III scores to predict later intelligence in children born extremely preterm

Neonatal hyperglycaemia is associated with worse neurodevelopmental outcomes in extremely preterm infants

Zamir, Itay; Sjöstrom, Elisabeth Stoltz; Ahlsson, Fredrik; Hansen-Pupp, Ingrid et al.

Part of Archives of Disease in Childhood, 2021

• DOI for Neonatal hyperglycaemia is associated with worse neurodevelopmental outcomes in extremely preterm infants
• Download full text (pdf) of Neonatal hyperglycaemia is associated with worse neurodevelopmental outcomes in extremely preterm infants

Association Between Year of Birth and 1-Year Survival Among Extremely Preterm Infants in Sweden During 2004-2007 and 2014-2016

Norman, Mikael; Hallberg, Boubou; Abrahamsson, Thomas; Björklund, Lars J. et al.

Part of Journal of the American Medical Association (JAMA), p. 1188-1199, 2019

• DOI for Association Between Year of Birth and 1-Year Survival Among Extremely Preterm Infants in Sweden During 2004-2007 and 2014-2016

Agreement Between Bayley-III Measurements and WISC-IV Measurements in Typically Developing Children

Mansson, Johanna; Stjernqvist, Karin; Serenius, Fredrik; Aden, Ulrika et al.

Part of Journal of Psychoeducational Assessment, p. 603-616, 2019

• DOI for Agreement Between Bayley-III Measurements and WISC-IV Measurements in Typically Developing Children

Validation of the diagnosis of necrotising enterocolitis in a Swedish population-based observational study

Challis, Pontus; Larsson, Linn; Sjöström, Elisabeth Stoltz; Serenius, Fredrik et al.

Part of Acta Paediatrica, p. 835-841, 2019

• DOI for Validation of the diagnosis of necrotising enterocolitis in a Swedish population-based observational study
• Download full text (pdf) of Validation of the diagnosis of necrotising enterocolitis in a Swedish population-based observational study

Impact of major neonatal morbidities on adolescents born at 23-25 weeks of gestation

Holsti, Antti; Serenius, Fredrik; Farooqi, Aijaz

Part of Acta Paediatrica, p. 1893-1901, 2018

• DOI for Impact of major neonatal morbidities on adolescents born at 23-25 weeks of gestation

Infant abuse diagnosis associated with abusive head trauma criteria: incidence increase due to overdiagnosis?

Högberg, Ulf; Lampa, Erik; Högberg, Göran; Aspelin, Peter et al.

Part of European Journal of Public Health, p. 641-646, 2018

• DOI for Infant abuse diagnosis associated with abusive head trauma criteria: incidence increase due to overdiagnosis?

Developmental Coordination Disorder and Its Association With Developmental Comorbidities at 6.5 Years in Apparently Healthy Children Born Extremely Preterm

Bolk, Jenny; Farooqi, Aijaz; Hafstrom, Maria; Aden, Ulrika et al.

Part of JAMA pediatrics, p. 765-774, 2018

• DOI for Developmental Coordination Disorder and Its Association With Developmental Comorbidities at 6.5 Years in Apparently Healthy Children Born Extremely Preterm

Extreme prematurity, treated retinopathy, bronchopulmonary dysplasia and cerebral palsy are significant risk factors for ophthalmological abnormalities at 6.5 years of age

Hellström, Ann; Källen, Karin; Carlsson, Birgitta; Holmström, Gerd et al.

Part of Acta Paediatrica, p. 811-821, 2018

• DOI for Extreme prematurity, treated retinopathy, bronchopulmonary dysplasia and cerebral palsy are significant risk factors for ophthalmological abnormalities at 6.5 years of age

National population-based cohort study found that visual-motor integration was commonly affected in extremely preterm born children at six-and-a-half years

Bolk, Jenny; Kaul, Ylva Fredriksson; Hellström-Westas, Lena; Stjernqvist, Karin et al.

Part of Acta Paediatrica, p. 831-837, 2018

• DOI for National population-based cohort study found that visual-motor integration was commonly affected in extremely preterm born children at six-and-a-half years

Cerebral Palsy in Extremely Preterm Infants

Hafström, Maria; Källén, Karin; Serenius, Fredrik; Maršál, Karel et al.

Part of Pediatrics, 2018

• DOI for Cerebral Palsy in Extremely Preterm Infants

Chronic Conditions and Health Care Needs of Adolescents Born at 23 to 25 Weeks' Gestation

Holsti, Antti; Adamsson, Marie; Hagglöf, Bruno; Farooqi, Aijaz et al.

Part of Pediatrics, 2017

• DOI for Chronic Conditions and Health Care Needs of Adolescents Born at 23 to 25 Weeks' Gestation

Executive Functioning and Learning Skills of Adolescent Children Born at Fewer than 26 Weeks of Gestation

Farooqi, A.; Adamsson, M.; Serenius, Fredrik; Hägglöf, B.

Part of PLOS ONE, 2016

• DOI for Executive Functioning and Learning Skills of Adolescent Children Born at Fewer than 26 Weeks of Gestation
• Download full text (pdf) of Executive Functioning and Learning Skills of Adolescent Children Born at Fewer than 26 Weeks of Gestation

Early-life hyperglycemia in extremely preterm infants affects neurodevelopment at 6 years of age

Zamir, I.; Sjöström, E. Stoltz; Abrahamsson, T.; Ahlsson, Fredrik et al.

Part of European Journal of Pediatrics, p. 1440-1440, 2016

Visual-Motor Integration In Extremely Preterm Born Children In Sweden

Bolk, J.; Kaul, Ylva Fredriksson; Hellström-Westas, Lena; Stjernqvist, K. et al.

Part of European Journal of Pediatrics, p. 1530-1530, 2016

Neurodevelopmental Outcomes Among Extremely Preterm Infants 6.5 Years After Active Perinatal Care in Sweden

Serenius, Fredrik; Ewald, Uwe; Farooqi, Aijaz; Fellman, Vineta et al.

Part of JAMA pediatrics, p. 954-963, 2016

• DOI for Neurodevelopmental Outcomes Among Extremely Preterm Infants 6.5 Years After Active Perinatal Care in Sweden

Two-thirds of adolescents who received active perinatal care after extremely preterm birth had mild or no disabilities

Holsti, A.; Adamsson, M.; Serenius, Fredrik; Hägglöf, B. et al.

Part of Acta Paediatrica, p. 1288-1297, 2016

• DOI for Two-thirds of adolescents who received active perinatal care after extremely preterm birth had mild or no disabilities

Developmental problems in extremely preterm children with borderline intellectual functioning and free from neurosensory disabilities at 6.5 years in Sweden (the EXPRESS study)

Serenius, Fredrik; Farooqi, A.; Fellman, V.; Hafström, M. et al.

Part of European Journal of Pediatrics, p. 1551-1552, 2016

Ophthalmologic Outcome of Extremely Preterm Infants at 6.5 Years of Age Extremely Preterm Infants in Sweden Study (EXPRESS)

Hellgren, Kerstin M.; Tornqvist, Kristina; Jakobsson, Peter G.; Lundgren, Pia et al.

Part of JAMA ophthalmology, p. 555-562, 2016

• DOI for Ophthalmologic Outcome of Extremely Preterm Infants at 6.5 Years of Age Extremely Preterm Infants in Sweden Study (EXPRESS)

Reporting Outcomes of Extremely Preterm Births

Rysavy, Matthew A.; Marlow, Neil; Doyle, Lex W.; Tyson, Jon E. et al.

Part of Pediatrics, 2016

• DOI for Reporting Outcomes of Extremely Preterm Births

Impact of obstetric factors on outcome of extremely preterm births in Sweden: prospective population-based observational study (EXPRESS)

Kallen, Karin; Serenius, Fredrik; Westgren, Magnus; Marsal, Karel

Part of Acta Obstetricia et Gynecologica Scandinavica, p. 1203-1214, 2015

• DOI for Impact of obstetric factors on outcome of extremely preterm births in Sweden: prospective population-based observational study (EXPRESS)

Intensity of Perinatal Care for Extremely Preterm Infants: Outcomes at 2.5 Years

Serenius, Fredrik; Blennow, Mats; Marsal, Karel; Sjörs, Gunnar et al.

Part of Pediatrics, 2015

• DOI for Intensity of Perinatal Care for Extremely Preterm Infants: Outcomes at 2.5 Years

Sepsis as a risk factor for neonatal morbidity in extremely preterm infants

Ohlin, Andreas; Bjorkman, Louise; Serenius, Fredrik; Schollin, Jens et al.

Part of Acta Paediatrica, p. 1070-1076, 2015

• DOI for Sepsis as a risk factor for neonatal morbidity in extremely preterm infants

EXPRESS study shows significant regional differences in 1-year outcome of extremely preterm infants in Sweden

Serenius, Fredrik; Sjörs, Gunnar; Blennow, Mats; Fellman, Vineta et al.

Part of Acta Paediatrica, p. 27-37, 2014

• DOI for EXPRESS study shows significant regional differences in 1-year outcome of extremely preterm infants in Sweden

Ophthalmologic Outcome at 30 Months' Corrected Age of a Prospective Swedish Cohort of Children Born Before 27 Weeks of Gestation: The Extremely Preterm Infants in Sweden Study.

Holmström, Gerd E; Källen, Karin; Hellström, Ann; Jakobsson, Peter G et al.

Part of JAMA ophthalmology, p. 182-189, 2014

• DOI for Ophthalmologic Outcome at 30 Months' Corrected Age of a Prospective Swedish Cohort of Children Born Before 27 Weeks of Gestation: The Extremely Preterm Infants in Sweden Study.

Neurodevelopmental outcome in extremely preterm infants at 2.5 years after active perinatal care in Sweden

Serenius, Fredrik; Källén, Karin; Blennow, Mats; Ewald, Uwe et al.

Part of Journal of the American Medical Association (JAMA), p. 1810-1820, 2013

• DOI for Neurodevelopmental outcome in extremely preterm infants at 2.5 years after active perinatal care in Sweden

Behaviours related to executive functions and learning skills at 11 years of age after extremely preterm birth: a Swedish national prospective follow-up study

Farooqi, Aijaz; Hagglof, Bruno; Serenius, Fredrik

Part of Acta Paediatrica, p. 625-634, 2013

• DOI for Behaviours related to executive functions and learning skills at 11 years of age after extremely preterm birth: a Swedish national prospective follow-up study

Nutrient intakes independently affect growth in extremely preterm infants: results from a population-based study

Sjostrom, Elisabeth Stoltz; Ohlund, Inger; Ahlsson, Fredrik; Engstrom, Eva et al.

Part of Acta Paediatrica, p. 1067-1074, 2013

• DOI for Nutrient intakes independently affect growth in extremely preterm infants: results from a population-based study

Neurodevelopmental Outcome in Extremely Preterm Infants at 2.5 Years After Active Perinatal Care in Sweden EDITORIAL COMMENT

Serenius, Fredrik; Kallen, Karin; Blennow, Mats; Ewald, Uwe et al.

Part of Obstetrical and Gynecological Survey, p. 781-783, 2013

Impact at Age 11 Years of Major Neonatal Morbidities in Children Born Extremely Preterm

Farooqi, Aijaz; Hägglöf, Bruno; Sedin, Gunnar; Serenius, Fredrik

Part of Pediatrics, 2011

• DOI for Impact at Age 11 Years of Major Neonatal Morbidities in Children Born Extremely Preterm

Mental health and social competencies of 10- to 12-year-old children born at 23 to 25 weeks of gestation in the 1990s: a Swedish national prospective follow-up study

Farooqi, Aijaz; Hägglöf, Bruno; Sedin, Gunnar; Gothefors, Leif et al.

Part of Pediatrics, p. 118-133, 2007

• DOI for Mental health and social competencies of 10- to 12-year-old children born at 23 to 25 weeks of gestation in the 1990s: a Swedish national prospective follow-up study

Milk for small infants

Funkquist, Eva Lotta; Tuvemo, Torsten; Jonsson, Björn; Serenius, Fredrik et al.

Part of Acta Paediatrica, p. 596-599, 2007

• DOI for Milk for small infants

Chronic conditions, functional limitations, and special health care needs in 10- to 12-year-old children born at 23 to 25 weeks' gestation in the 1990s: a Swedish national prospective follow-up study

Farooqi, Aijaz; Hägglöf, Bruno; Sedin, Gunnar; Gothefors, Leif et al.

Part of Pediatrics, 2006

• DOI for Chronic conditions, functional limitations, and special health care needs in 10- to 12-year-old children born at 23 to 25 weeks' gestation in the 1990s: a Swedish national prospective follow-up study

Growth in 10- to 12-year-old children born at 23 to 25 weeks' gestation in the 1990s: a Swedish national prospective follow-up study

Farooqi, Aijaz; Hägglöf, Bruno; Sedin, Gunnar; Gothefors, Leif et al.

Part of Pediatrics, 2006

• DOI for Growth in 10- to 12-year-old children born at 23 to 25 weeks' gestation in the 1990s: a Swedish national prospective follow-up study

Growth and breastfeeding among low birth weight infants fed with or without protein enrichment of human milk

Funkquist, E-L; Tuvemo, T; Jonsson, B; Serenius, F et al.

Part of Upsala J Med Sci, p. 97-108, 2006

Short-term outcome after active perinatal management at 23-25 weeks of gestation. A study from two Swedish perinatal centres. Part: 3 neonatal morbidity

Serenius, F; Ewald, U; Farooqi, A; Holmgren, P-Å et al.

Part of Acta Paediatrica, p. 1090-7, 2004

• DOI for Short-term outcome after active perinatal management at 23-25 weeks of gestation. A study from two Swedish perinatal centres. Part: 3 neonatal morbidity

Short-term outcome after active perinatal management at 23-25 weeks of gestation. A study from two Swedish tertiary care centres. Part 2: infant survival.

Serenius, F; Ewald, U; Farooqi, A; Holmgren, P A et al.

Part of Acta Paediatr, p. 1081-9, 2004

Short-term outcome after active perinatal management at 23-25 weeks of gestation. A study from two Swedish tertiary care centres. Part 1: maternal and obstetric factors

Serenius, F; Ewald, U; Farooqi, A; Holmgren, P-Å et al.

Part of Acta Paediatrica, p. 945-53, 2004