Fredrik Ahlsson
Professor at Department of Women's and Children's Health; Perinatal, Neonatal and Pediatric Cardiology Research
- Telephone:
- +46 18 611 58 85
- E-mail:
- fredrik.ahlsson@uu.se
- Visiting address:
- MTC-huset, Dag Hammarskjölds väg 14B, 1 tr
752 37 Uppsala - Postal address:
- Akademiska sjukhuset
751 85 UPPSALA
- Academic merits:
- Associate professor, MD, PhD

Publications
Recent publications
Part of Acta Obstetricia et Gynecologica Scandinavica, p. 119-129, 2025
- DOI for Polycystic ovary syndrome and gestational diabetes mellitus association to pregnancy outcomes: A national register-based cohort study
- Download full text (pdf) of Polycystic ovary syndrome and gestational diabetes mellitus association to pregnancy outcomes: A national register-based cohort study
Part of PLOS Digital Health, 2024
- DOI for Mothers’ acceptability of using novel technology with video and audio recording during newborn resuscitation: A cross-sectional survey
- Download full text (pdf) of Mothers’ acceptability of using novel technology with video and audio recording during newborn resuscitation: A cross-sectional survey
Part of PLoS Medicine, 2024
- DOI for Changing diagnostic criteria for gestational diabetes (CDC4G) in Sweden: A stepped wedge cluster randomised trial
- Download full text (pdf) of Changing diagnostic criteria for gestational diabetes (CDC4G) in Sweden: A stepped wedge cluster randomised trial
Part of Acta Obstetricia et Gynecologica Scandinavica, p. 2171-2182, 2024
- DOI for Maternal body mass index, gestational weight gain, and early childhood growth: A register-based cohort study
- Download full text (pdf) of Maternal body mass index, gestational weight gain, and early childhood growth: A register-based cohort study
Part of Acta Paediatrica, p. 2398-2405, 2024
- DOI for Unpredictable supplementation of vitamin D to infants in the neonatal intensive care unit: An experimental study
- Download full text (pdf) of Unpredictable supplementation of vitamin D to infants in the neonatal intensive care unit: An experimental study
All publications
Articles in journal
Part of Acta Obstetricia et Gynecologica Scandinavica, p. 119-129, 2025
- DOI for Polycystic ovary syndrome and gestational diabetes mellitus association to pregnancy outcomes: A national register-based cohort study
- Download full text (pdf) of Polycystic ovary syndrome and gestational diabetes mellitus association to pregnancy outcomes: A national register-based cohort study
Part of PLOS Digital Health, 2024
- DOI for Mothers’ acceptability of using novel technology with video and audio recording during newborn resuscitation: A cross-sectional survey
- Download full text (pdf) of Mothers’ acceptability of using novel technology with video and audio recording during newborn resuscitation: A cross-sectional survey
Part of PLoS Medicine, 2024
- DOI for Changing diagnostic criteria for gestational diabetes (CDC4G) in Sweden: A stepped wedge cluster randomised trial
- Download full text (pdf) of Changing diagnostic criteria for gestational diabetes (CDC4G) in Sweden: A stepped wedge cluster randomised trial
Part of Acta Obstetricia et Gynecologica Scandinavica, p. 2171-2182, 2024
- DOI for Maternal body mass index, gestational weight gain, and early childhood growth: A register-based cohort study
- Download full text (pdf) of Maternal body mass index, gestational weight gain, and early childhood growth: A register-based cohort study
Part of Acta Paediatrica, p. 2398-2405, 2024
- DOI for Unpredictable supplementation of vitamin D to infants in the neonatal intensive care unit: An experimental study
- Download full text (pdf) of Unpredictable supplementation of vitamin D to infants in the neonatal intensive care unit: An experimental study
Part of Scientific Reports, 2024
- DOI for Differential gene expression in two consecutive pregnancies between same sex siblings and implications on maternal constraint
- Download full text (pdf) of Differential gene expression in two consecutive pregnancies between same sex siblings and implications on maternal constraint
Combined maternal central adiposity measures in relation to infant birth size
Part of Scientific Reports, 2024
- DOI for Combined maternal central adiposity measures in relation to infant birth size
- Download full text (pdf) of Combined maternal central adiposity measures in relation to infant birth size
Part of Acta Obstetricia et Gynecologica Scandinavica, p. 2522-2531, 2024
- DOI for Associations of maternal sedentary behavior and physical activity levels in early to mid‐pregnancy with infant outcomes: A cohort study
- Download full text (pdf) of Associations of maternal sedentary behavior and physical activity levels in early to mid‐pregnancy with infant outcomes: A cohort study
Part of eClinicalMedicine, 2024
- DOI for Effect of human milk-based fortification in extremely preterm infants fed exclusively with breast milk: a randomised controlled trial
- Download full text (pdf) of Effect of human milk-based fortification in extremely preterm infants fed exclusively with breast milk: a randomised controlled trial
Part of Scientific Reports, 2023
- DOI for Maternal early mid-pregnancy adiponectin in relation to infant birth weight and the likelihood of being born large-for-gestational-age.
- Download full text (pdf) of Maternal early mid-pregnancy adiponectin in relation to infant birth weight and the likelihood of being born large-for-gestational-age.
Neonatal outcomes of elective labor induction in low-risk term pregnancies
Part of Scientific Reports, 2023
- DOI for Neonatal outcomes of elective labor induction in low-risk term pregnancies
- Download full text (pdf) of Neonatal outcomes of elective labor induction in low-risk term pregnancies
Part of Nutrients, 2023
- DOI for Equally Good Neurological, Growth, and Health Outcomes up to 6 Years of Age in Moderately Preterm Infants Who Received Exclusive vs. Fortified Breast Milk-A Longitudinal Cohort Study
- Download full text (pdf) of Equally Good Neurological, Growth, and Health Outcomes up to 6 Years of Age in Moderately Preterm Infants Who Received Exclusive vs. Fortified Breast Milk-A Longitudinal Cohort Study
Part of Reproductive Sciences, p. 1165-1175, 2023
- DOI for Early Mid-pregnancy Blood-Based Proteins as Possible Biomarkers of Increased Infant Birth Size in Sex-Stratified Analyses
- Download full text (pdf) of Early Mid-pregnancy Blood-Based Proteins as Possible Biomarkers of Increased Infant Birth Size in Sex-Stratified Analyses
Part of Journal of Perinatology, p. 1301-1307, 2023
Part of Journal of Developmental Origins of Health and Disease, p. 650-655, 2022
- DOI for Relation of maternal birthweight with early pregnancy obesity, gestational diabetes, and offspring macrosomia
- Download full text (pdf) of Relation of maternal birthweight with early pregnancy obesity, gestational diabetes, and offspring macrosomia
Part of Scientific Reports, 2022
- DOI for Associations between capillary glucose during pregnancy and childhood growth to the age of five: a cohort study
- Download full text (pdf) of Associations between capillary glucose during pregnancy and childhood growth to the age of five: a cohort study
Part of Nutrients, 2022
- DOI for The Impact of Restricted versus Liberal Early Fluid Volumes on Plasma Sodium, Weight Change, and Short-Term Outcomes in Extremely Preterm Infants
- Download full text (pdf) of The Impact of Restricted versus Liberal Early Fluid Volumes on Plasma Sodium, Weight Change, and Short-Term Outcomes in Extremely Preterm Infants
Part of Reproductive Sciences, p. 2333-2341, 2022
- DOI for Maternal blood-based protein biomarkers in relation to abdominal fat distribution measured by ultrasound in early mid-pregnancy
- Download full text (pdf) of Maternal blood-based protein biomarkers in relation to abdominal fat distribution measured by ultrasound in early mid-pregnancy
Part of Acta Paediatrica, p. 536-545, 2022
- DOI for Amino acid infusions in umbilical artery catheters enhance protein administration in infants born at extremely low gestational age
- Download full text (pdf) of Amino acid infusions in umbilical artery catheters enhance protein administration in infants born at extremely low gestational age
Part of Acta Paediatrica, p. 1701-1708, 2022
- DOI for Sodium supply from administered blood products was associated with severe intraventricular haemorrhage in extremely preterm infants
- Download full text (pdf) of Sodium supply from administered blood products was associated with severe intraventricular haemorrhage in extremely preterm infants
Part of Neonatology, p. 745-752, 2022
- DOI for Early Hyperglycemia in Very Preterm Infants Is Associated with Reduced White Matter Volume and Worse Cognitive and Motor Outcomes at 2.5 Years
- Download full text (pdf) of Early Hyperglycemia in Very Preterm Infants Is Associated with Reduced White Matter Volume and Worse Cognitive and Motor Outcomes at 2.5 Years
Part of BMJ Health & Care Informatics, 2022
- DOI for Usability, acceptability and feasibility of a novel technology with visual guidance with video and audio recording during newborn resuscitation: a pilot study
- Download full text (pdf) of Usability, acceptability and feasibility of a novel technology with visual guidance with video and audio recording during newborn resuscitation: a pilot study
Part of Scientific Reports, 2021
- DOI for Associations of ultrasound estimated early mid pregnancy visceral and subcutaneous fat depths and early pregnancy BMI with adverse neonatal outcomes
- Download full text (pdf) of Associations of ultrasound estimated early mid pregnancy visceral and subcutaneous fat depths and early pregnancy BMI with adverse neonatal outcomes
Part of BMJ Open, 2021
- DOI for Nordic study on human milk fortification in extremely preterm infants: a randomised controlled trial - the N-forte trial
- Download full text (pdf) of Nordic study on human milk fortification in extremely preterm infants: a randomised controlled trial - the N-forte trial
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
Factors Influencing Breast Milk Fat Loss during Administration in the Neonatal Intensive Care Unit
Part of Nutrients, 2021
- DOI for Factors Influencing Breast Milk Fat Loss during Administration in the Neonatal Intensive Care Unit
- Download full text (pdf) of Factors Influencing Breast Milk Fat Loss during Administration in the Neonatal Intensive Care Unit
Part of Scientific Reports, 2020
- DOI for Association of maternal central adiposity measured by ultrasound in early mid pregnancy with infant birth size
- Download full text (pdf) of Association of maternal central adiposity measured by ultrasound in early mid pregnancy with infant birth size
Large-for-gestational-age phenotypes and obesity risk in adulthood: a study of 195,936 women
Part of Scientific Reports, 2020
- DOI for Large-for-gestational-age phenotypes and obesity risk in adulthood: a study of 195,936 women
- Download full text (pdf) of Large-for-gestational-age phenotypes and obesity risk in adulthood: a study of 195,936 women
Part of European journal of obstetrics & gynecology and reproductive biology: X, 2020
- DOI for Impact of maternal central adiposity on infant anthropometry and perinatal morbidity: A systematic review
- Download full text (pdf) of Impact of maternal central adiposity on infant anthropometry and perinatal morbidity: A systematic review
Part of Hormone Research in Paediatrics, p. 106-114, 2020
Part of Acta Paediatrica, p. 976-981, 2020
Part of Journal of Developmental Origins of Health and Disease, p. 529-535, 2019
Part of Scientific Reports, 2019
- DOI for Growth patterns during early childhood in children born small for gestational age and moderate preterm
- Download full text (pdf) of Growth patterns during early childhood in children born small for gestational age and moderate preterm
Part of BMC Pregnancy and Childbirth, 2019
- DOI for Changing diagnostic criteria for gestational diabetes in Sweden-a stepped wedge national cluster randomised controlled trial-the CDC4G study protocol
- Download full text (pdf) of Changing diagnostic criteria for gestational diabetes in Sweden-a stepped wedge national cluster randomised controlled trial-the CDC4G study protocol
Postnatal growth in children born small for gestational age with and without smoking mother
Part of Pediatric Research, p. 961-966, 2019
- DOI for Postnatal growth in children born small for gestational age with and without smoking mother
- Download full text (pdf) of Postnatal growth in children born small for gestational age with and without smoking mother
Preterm Birth is Associated With Increased Blood Pressure in Young Adult Women
Part of Journal of the American Heart Association, 2019
- DOI for Preterm Birth is Associated With Increased Blood Pressure in Young Adult Women
- Download full text (pdf) of Preterm Birth is Associated With Increased Blood Pressure in Young Adult Women
Part of Scientific Reports, 2019
- DOI for Maternal smoking early in pregnancy is associated with increased risk of short stature and obesity in adult daughters
- Download full text (pdf) of Maternal smoking early in pregnancy is associated with increased risk of short stature and obesity in adult daughters
Part of Acta Paediatrica, p. 2208-2213, 2019
Reduced rate of retinopathy of prematurity after implementing lower oxygen saturation targets.
Part of Journal of Perinatology, p. 409-414, 2019
Part of Acta Paediatrica, p. 2152-2157, 2018
Hyperglycemia in Extremely Preterm Infants Insulin Treatment, Mortality and Nutrient Intakes
Part of The Journal of Pediatrics, p. 104-110, 2018
Association Between Preterm Birth and Lower Adult Height in Women
Part of American Journal of Epidemiology, p. 48-53, 2017
Part of Pediatric Research, p. 455-460, 2017
Part of Journal of Epidemiology and Community Health, p. 78-81, 2016
Body Mass Index, Overweight, and Obesity in Swedish Women Born Post-term
Part of Paediatric and Perinatal Epidemiology, p. 320-324, 2016
Maternal Height and Preterm Birth: A Study on 192,432 Swedish Women
Part of PLOS ONE, 2016
- DOI for Maternal Height and Preterm Birth: A Study on 192,432 Swedish Women
- Download full text (pdf) of Maternal Height and Preterm Birth: A Study on 192,432 Swedish Women
Part of Journal of Pediatric Gastroenterology and Nutrition - JPGN, p. 885-892, 2016
Early-life hyperglycemia in extremely preterm infants affects neurodevelopment at 6 years of age
Part of European Journal of Pediatrics, p. 1440-1440, 2016
Part of Scientific Reports, 2015
- DOI for Infants born large-for-gestational-age display slower growth in early infancy, but no epigenetic changes at birth
- Download full text (pdf) of Infants born large-for-gestational-age display slower growth in early infancy, but no epigenetic changes at birth
Part of Reproductive Sciences, p. 1281-1288, 2015
Computer-aided nutrition - Effects on nutrition and growth in preterm infants < 32 weeks gestation
Part of Clinical Nutrition ESPEN, 2015
Part of Scientific Reports, 2015
- DOI for Obesity rates in two generations of Swedish women entering pregnancy, and associated obesity risk among adult daughters
- Download full text (pdf) of Obesity rates in two generations of Swedish women entering pregnancy, and associated obesity risk among adult daughters
A high birth weight is associated with increased risk of type 2 diabetes and obesity
Part of Pediatric Obesity, p. 77-83, 2015
School performance after preterm birth
Part of Epidemiology, p. 106-111, 2015
Energy substrate metabolism in pyruvatedehydrogenase complex deficiency
Part of Journal of Pediatric Endocrinology & Metabolism (JPEM), p. 1059-1064, 2014
Part of Acta Paediatrica, p. 282-288, 2014
Energy substrate metabolism in pyruvate dehydrogenase complex deficiency
Part of Journal of Pediatric Endocrinology & Metabolism (JPEM), p. 1059-1064, 2014
Part of Acta Paediatrica, p. 1067-1074, 2013
Part of European Journal of Obstetrics, Gynecology, and Reproductive Biology, p. 26-29, 2013
Part of Journal of the New Zealand Medical Association, 2011
Gestational diabetes and offspring body disproportion
Part of Acta Paediatrica, p. 89-93, 2010
Part of Hormone research in paediatrics, p. 267-274, 2010
Lipolysis and Insulin Sensitivity at Birth in Infants Who Are Large for Gestational Age
Part of Pediatrics, p. 958-965, 2007
Energy substrate production in infants born small for gestational age
Part of Acta Paediatrica, p. 29-34, 2007
Part of Acta Paediatrica, p. 358-362, 2007
Treatment of extreme hyperglycemia monitored with intracerebral microdialysis.
Part of Pediatr Crit Care Med, p. 89-92, 2004
Born small for gestational age and moderate preterm; implications on postnatal growth
Articles, review/survey
Part of Acta Paediatrica, p. 31-44, 2020