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Impact of maternal age on infants' emotional regulation and psychomotor development
Published online by Cambridge University Press: 05 March 2021
Abstract
Maternal age has progressively increased in industrialized countries. Most studies focus on the consequences of delayed motherhood for women's physical and mental health, but little is known about potential effects on infants' neurodevelopment. This prospective study examines the association between maternal age and offspring neurodevelopment in terms of both psychomotor development (Ages & Stages Questionnaires-3) and emotional competences (Early Childhood Behavior Questionnaire).
We evaluated a cohort of healthy pregnant women aged 20–41 years and their offspring, assessed at 38 weeks gestation (n = 131) and 24 months after birth (n = 101). Potential age-related variables were considered (paternal age, education level, parity, social support, maternal cortisol levels, and maternal anxiety and depressive symptoms). Bayesian ordinal regression models were performed for each neurodevelopmental outcome.
Maternal age was negatively associated with poor child development in terms of personal-social skills [odds ratio (OR) −0.13, 95% confidence interval (CI) 0.77–0.99] and with difficult temperament in terms of worse emotional regulation (OR −0.13, 95% CI 0.78–0.96) and lower positive affect (OR 0.16, 95% CI 0.75–0.95). As for age-related variables, whereas maternal anxiety symptoms and cortisol levels were also correlated with poor child development and difficult temperament, maternal social support and parental educational level were associated with better psychomotor and emotional competences.
Increasing maternal age may be associated with child temperament difficulties and psychomotor delay in terms of social interaction skills. Early detection of neurodevelopment difficulties in these babies would allow preventive psychosocial interventions to avoid future neuropsychiatric disorders.
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- Copyright © The Author(s), 2021. Published by Cambridge University Press
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