Swedish intrauterine growth reference ranges for estimated fetal weight

Abstract Fetal growth restriction is a strong risk factor for perinatal morbidity and mortality. Reliable standards are indispensable, both to assess fetal growth and to evaluate birthweight and early postnatal growth in infants born preterm. The aim of this study was to create updated Swedish refer...

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Autores principales:	Linda Lindström, Mårten Ageheim, Ove Axelsson, Laith Hussain-Alkhateeb, Alkistis Skalkidou, Anna-Karin Wikström, Eva Bergman
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fd295454e40d4a549059e9cfe16ce762
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spelling	oai:doaj.org-article:fd295454e40d4a549059e9cfe16ce7622021-12-02T17:40:49ZSwedish intrauterine growth reference ranges for estimated fetal weight10.1038/s41598-021-92032-22045-2322https://doaj.org/article/fd295454e40d4a549059e9cfe16ce7622021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-92032-2https://doaj.org/toc/2045-2322Abstract Fetal growth restriction is a strong risk factor for perinatal morbidity and mortality. Reliable standards are indispensable, both to assess fetal growth and to evaluate birthweight and early postnatal growth in infants born preterm. The aim of this study was to create updated Swedish reference ranges for estimated fetal weight (EFW) from gestational week 12–42. This prospective longitudinal multicentre study included 583 women without known conditions causing aberrant fetal growth. Each woman was assigned a randomly selected protocol of five ultrasound scans from gestational week 12 + 3 to 41 + 6. Hadlock’s 3rd formula was used to estimate fetal weight. A two-level hierarchical regression model was employed to calculate the expected median and variance, expressed in standard deviations and percentiles, for EFW. EFW was higher for males than females. The reference ranges were compared with the presently used Swedish, and international reference ranges. Our reference ranges had higher EFW than the presently used Swedish reference ranges from gestational week 33, and higher median, 2.5th and 97.5th percentiles from gestational week 24 compared with INTERGROWTH-21st. The new reference ranges can be used both for assessment of intrauterine fetal weight and growth, and early postnatal growth in children born preterm.Linda LindströmMårten AgeheimOve AxelssonLaith Hussain-AlkhateebAlkistis SkalkidouAnna-Karin WikströmEva BergmanNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Linda Lindström Mårten Ageheim Ove Axelsson Laith Hussain-Alkhateeb Alkistis Skalkidou Anna-Karin Wikström Eva Bergman Swedish intrauterine growth reference ranges for estimated fetal weight
description	Abstract Fetal growth restriction is a strong risk factor for perinatal morbidity and mortality. Reliable standards are indispensable, both to assess fetal growth and to evaluate birthweight and early postnatal growth in infants born preterm. The aim of this study was to create updated Swedish reference ranges for estimated fetal weight (EFW) from gestational week 12–42. This prospective longitudinal multicentre study included 583 women without known conditions causing aberrant fetal growth. Each woman was assigned a randomly selected protocol of five ultrasound scans from gestational week 12 + 3 to 41 + 6. Hadlock’s 3rd formula was used to estimate fetal weight. A two-level hierarchical regression model was employed to calculate the expected median and variance, expressed in standard deviations and percentiles, for EFW. EFW was higher for males than females. The reference ranges were compared with the presently used Swedish, and international reference ranges. Our reference ranges had higher EFW than the presently used Swedish reference ranges from gestational week 33, and higher median, 2.5th and 97.5th percentiles from gestational week 24 compared with INTERGROWTH-21st. The new reference ranges can be used both for assessment of intrauterine fetal weight and growth, and early postnatal growth in children born preterm.
format	article
author	Linda Lindström Mårten Ageheim Ove Axelsson Laith Hussain-Alkhateeb Alkistis Skalkidou Anna-Karin Wikström Eva Bergman
author_facet	Linda Lindström Mårten Ageheim Ove Axelsson Laith Hussain-Alkhateeb Alkistis Skalkidou Anna-Karin Wikström Eva Bergman
author_sort	Linda Lindström
title	Swedish intrauterine growth reference ranges for estimated fetal weight
title_short	Swedish intrauterine growth reference ranges for estimated fetal weight
title_full	Swedish intrauterine growth reference ranges for estimated fetal weight
title_fullStr	Swedish intrauterine growth reference ranges for estimated fetal weight
title_full_unstemmed	Swedish intrauterine growth reference ranges for estimated fetal weight
title_sort	swedish intrauterine growth reference ranges for estimated fetal weight
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/fd295454e40d4a549059e9cfe16ce762
work_keys_str_mv	AT lindalindstrom swedishintrauterinegrowthreferencerangesforestimatedfetalweight AT martenageheim swedishintrauterinegrowthreferencerangesforestimatedfetalweight AT oveaxelsson swedishintrauterinegrowthreferencerangesforestimatedfetalweight AT laithhussainalkhateeb swedishintrauterinegrowthreferencerangesforestimatedfetalweight AT alkistisskalkidou swedishintrauterinegrowthreferencerangesforestimatedfetalweight AT annakarinwikstrom swedishintrauterinegrowthreferencerangesforestimatedfetalweight AT evabergman swedishintrauterinegrowthreferencerangesforestimatedfetalweight
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Swedish intrauterine growth reference ranges for estimated fetal weight

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