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Umeå University
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Staff photo Anna Chmielewska
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Anna Chmielewska

My research concerns how early nutrition affects child development. I work with feeding difficulties and feeding disorders in children (PFD, ARFID) both in research and as a consultant pediatrician.

Research qualifications: Docent

Contact

E-mail
anna.chmielewska@umu.se

Works as

Affiliation
Associate professor, consultant (attending) physician at Department of Clinical Sciences Section: Pediatrics
Location
Umeå universitet, Klinisk vetenskap, 901 85 Umeå
Iron in breastfed infants and behavior at 3 years: a randomized trial
Scientific Reports, Nature Portfolio 2026, Vol. 16, (1)
Svensson, Ludwig; Chmielewski, Grzegorz; Domellöf, Magnus; et al.
Iron deficiency in infants and children: the current research challenges
Current opinion in clinical nutrition and metabolic care, Wolters Kluwer 2025, Vol. 28, (3) : 284-288
Chmielewska, Anna; Domellöf, Magnus
Four-fold increase of the number of children diagnosed with paediatric feeding disorder in northern Sweden in 2012–2022
Acta Paediatrica, John Wiley & Sons 2025, Vol. 114, (9) : 2238-2245
Gustavsson, Elsa; Kölgran, Martina; Jonsson, Maria; et al.
NorthPop: a prospective population-based birth cohort study
BMC Public Health, BioMed Central (BMC) 2025, Vol. 25, (1)
West, Christina E.; Lif Holgerson, Pernilla; Chmielewska, Anna; et al.
Low-dose iron and early development in breastfed infants: reply
JAMA pediatrics, American Medical Association (AMA) 2024, Vol. 178, (11) : 1228-1228
Chmielewska, Anna; Domellöf, Magnus
Effect of low-dose iron supplementation on early development in breastfed infants: a randomized clinical trial
JAMA pediatrics, American Medical Association (AMA) 2024, Vol. 178, (7) : 649-656
Svensson, Ludwig; Chmielewski, Grzegorz; Czyżewska, Emilia; et al.
Early diet and the risk of coeliac disease. An update 2024 position paper by the ESPGHAN special interest group on coeliac disease
Journal of Pediatric Gastroenterology and Nutrition - JPGN, John Wiley & Sons 2024, Vol. 79, (2) : 438-445
Szajewska, Hania; Shamir, Raanan; Auricchio, Renata; et al.
Normal range and predictors of serum erythroferrone in infants
Pediatric Research, Springer Nature 2023, Vol. 94, (3) : 965-970
Bäckström, Fredrik; Chmielewska, Anna; Domellöf, Magnus; et al.
Preterm human milk analysis confirms that all examined components change within four weeks of life [Analiza mleka kobiecego matek wcześniaków wykazała zmianę w składzie wszystkich analizowanych składników odżywczych w pierwszych czterech tygodniach życia]
Pediatria i Medycyna Rodzinna, Medical Communications 2023, Vol. 19, (4) : 398-403
Seliga-Siwecka, Joanna; Chmielewska, Anna
Effect of targeted vs. standard fortification of breast milk on growth and development of preterm infants (≤32 weeks): results from an interrupted randomized controlled trial
Nutrients, MDPI 2023, Vol. 15, (3)
Seliga-Siwecka, Joanna; Fiałkowska, Justyna; Chmielewska, Anna
Systematic review: early feeding practices and the risk of coeliac disease. A 2022 update and revision
Alimentary Pharmacology and Therapeutics, John Wiley & Sons 2023, Vol. 57, (1) : 8-22
Szajewska, Hania; Shamir, Raanan; Stróżyk, Agata; et al.
Early Feeding Practices and Celiac Disease Prevention: Protocol for an Updated and Revised Systematic Review and Meta-Analysis
Nutrients, MDPI 2022, Vol. 14, (5)
Szajewska, Hania; Shamir, Raanan; Chmielewska, Anna; et al.
Hepcidin is a relevant iron status indicator in infancy: results from a randomized trial of early vs. delayed cord clamping
Pediatric Research, Nature Publishing Group 2021, Vol. 89, (5) : 1216-1221
Berglund, Staffan K.; Chmielewska, Anna; Domellöf, Magnus; et al.
Lean Tissue Deficit in Preterm Infants Persists up to 4 Months of Age: Results from a Swedish Longitudinal Study
Neonatology, S. Karger 2020, Vol. 117, (1) : 80-87
Chmielewska, Anna; Farooqi, Aijaz; Domellöf, Magnus; et al.
Effect of targeted vs standard fortification of breast milk on growth and development of preterm infants (<= 32weeks): study protocol for a randomized controlled trial
Trials, BioMed Central 2020, Vol. 21, (1)
Seliga-Siwecka, Joanna; Chmielewska, Anna; Jasinska, Katarzyna
Effects of prenatal and/or postnatal supplementation with iron, PUFA or folic acid on neurodevelopment: update
British Journal of Nutrition, Vol. 122, (s1) : S10-S15
Chmielewska, Anna; Dziechciarz, Piotr; Gieruszczak-Białek, Dorota; et al.
Effects of iron supplementation of low-birth-weight infants on cognition and behavior at 7 years: a randomized controlled trial
Pediatric Research, New York: Nature Publishing Group 2018, Vol. 83 : 111-118
Berglund, Staffan K.; Chmielewska, Anna; Starnberg, Josefine; et al.
Role of iodine-containing multivitamins during pregnancy for children’s brain function: protocol of an ongoing randomised controlled trial: the SWIDDICH study
BMJ Open, BMJ Publishing Group Ltd 2018, Vol. 8, (4)
Manousou, Sofia; Johansson, Birgitta; Chmielewska, Anna; et al.
Systematic review: Early infant feeding practices and the risk of wheat allergy
Journal of Paediatrics and Child Health, John Wiley & Sons 2017, Vol. 53, (9) : 889-896
Chmielewska, Anna; Piescik-Lech, Malgorzata; Shamir, Raanan; et al.
Systematic Review: Early Infant Feeding and the Risk of Type 1 Diabetes
Journal of Pediatric Gastroenterology and Nutrition - JPGN, Vol. 64, (3) : 454-459
Pieścik-Lech, Małgorzata; Chmielewska, Anna; Shamir, Raanan; et al.
HEAD GROWTH AND NEURODEVELOPMENT UNTIL 7 YEARS OF AGE: A STUDY IN LOW BIRTH WEIGHT INFANTS
EUROPEAN JOURNAL OF PEDIATRICS, New York: Springer 2016, Vol. 175, (11) : 1485-1485
Chmielewska, Anna; Berglund, Staffan; Lindberg, Josefine; et al.
Effect of iron supplementation on psychomotor development of non-anaemic, exclusively or predominantly breastfed infants: a randomised, controlled trial
BMJ Open, Vol. 5, (11)
Chmielewska, Anna; Chmielewski, Grzegorz; Domellöf, Magnus; et al.
View publications in DiVA

Research groups

Group member
N4 Research Group

Research projects

1 January 2016 until 31 December 2027
Effects of early nutrition on brain development and neurodevelopmental disorders in children
Porträttbild på Anna Chmielewska.
"We have an amazing research environment"

Anna Chmielewska is a docent in pediatrics, researching how different nutrients affect children’s development.