Association of birthweight centiles and early childhood development of singleton infants born from 37 weeks of gestation in Scotland: A population-based cohort study

Abiodun Adanikin, Deborah A Lawlor, Jill P Pell, Scott M Nelson, Gordon C S Smith and Stamatina Iliodromiti

PLOS Medicine, 2022, vol. 19, issue 10, 1-21

Abstract: Background: Birthweight centiles beyond the traditional thresholds for small or large babies are associated with adverse perinatal outcomes but there is a paucity of data about the relationship between birthweight centiles and childhood development among children born from 37 weeks of gestation. This study aims to establish the association between birthweight centiles across the whole distribution and early childhood development among children born from 37 weeks of gestation. Methods and findings: This is a population-based cohort study of 686,284 singleton infants born from 37 weeks of gestation. The cohort was generated by linking pregnancy and delivery data from the Scottish Morbidity Records (2003 to 2015) and the child developmental assessment at age 2 to 3.5 years. The main outcomes were child’s fine motor, gross motor, communication, and social developmental concerns measured with the Ages and Stages Questionnaires—3 (ASQ-3) and Ages and Stages Questionnaire: Social & Emotional—2 (ASQ:SE-2), and for a subset of children with additional specialist tools such as the Modified Checklist for Autism in Toddlers (M-CHAT) if the ASQ3/SE indicate these are necessary. The ASQ score for each domain was categorised as “concern” and “no concern.” Conclusions: We observed that from 37 weeks of gestation birthweight below the 25th centile was associated with child developmental concerns, with an association apparent at higher centiles above the conventional threshold defining small for gestational age (SGA, 3rd or 10th centile). Mild to moderate SGA is an unrecognised potentially important contributor to the prevalence of developmental concerns. Closer surveillance, appropriate parental counselling, and increased support during childhood may reduce the risks associated with lower birthweight centiles. In a population-based cohort study in Scotland, Abiodun Adanikin and colleagues study the association of birthweight centiles and motor, communication, and social developmental concerns identified at ages 2 to 3.5 years of age.Why was this study done?: What did the researchers do and find?: What do these findings mean?:

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pmed00:1004108

DOI: 10.1371/journal.pmed.1004108

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