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Using a Murine Model of Psychosocial Stress in Pregnancy as a Translationally Relevant Paradigm for Psychiatric Disorders in Mothers and Infants
Published on: June 13, 2021
Pre- and postnatal influences on preschool mental health: a large-scale cohort study
Monique Robinson1, Wendy H Oddy, Jianghong Li
1Telethon Institute for Child Health Research, Centre for Child Health Research, The University of Western Australia, Perth, Australia. moniquer@ichr.uwa.edu.au
Insights
Prenatal stress and smoking are linked to early childhood behavior problems. Interventions addressing these early influences can improve children's mental health outcomes.
Area of Science:
- Child psychology
- Developmental pediatrics
- Epidemiology
Background:
- Investigating early determinants of mental health morbidity is challenging due to confounding factors.
- This study examines antenatal, perinatal, and postnatal risk factors for mental health issues in preschoolers.
- Focuses on a cohort of Western Australian children.
Purpose of the Study:
- To identify significant risk factors for the development of mental health problems in pre-school children.
- To address methodological challenges in studying early determinants of mental health.
- To inform interventions for improving early childhood mental health outcomes.
Main Methods:
- Prospective cohort study (The Raine Study) of 2,868 children and 2,979 pregnant women.
- Recruitment at 18 weeks gestation, with follow-ups at ages two and five years.
- Child mental health assessed using the Child Behaviour Checklist (CBCL), measuring internalizing and externalizing behaviors.
Main Results:
- At age two, maternal stress events, smoking during pregnancy, and maternal ethnicity were significant risk factors.
- At age five, multiple stress events, smoking, male gender, shorter breastfeeding duration, and baby blues symptoms predicted mental health problems.
- Multinomial logistic regression identified specific prenatal and postnatal predictors of behavioral issues.
Conclusions:
- Early childhood mental health is influenced by both prenatal events and the child's subsequent environment.
- Interventions targeting adverse prenatal, perinatal, and postnatal factors are crucial for improving child mental health.
- Addressing these early influences can lead to better mental health outcomes in early childhood.
Background:
Methodological challenges such as confounding have made the study of the early determinants of mental health morbidity problematic. This study aims to address these challenges in investigating antenatal, perinatal and postnatal risk factors for the development of mental health problems in pre-school children in a cohort of Western Australian children.
Methods:
The Raine Study is a prospective cohort study of 2,868 live born children involving 2,979 pregnant women recruited at 18 weeks gestation. Children were followed up at age two and five years. The Child Behaviour Checklist (CBCL) was used to measure child mental health with clinical cut-points, including internalising (withdrawn/depressed) and externalising (aggressive/destructive) behaviours (n = 1707).
Results:
Multinomial logistic regression analysis showed that the significant risk factors for behaviour problems at age two were the maternal experience of multiple stress events in pregnancy (OR = 1.20, 95% CI = 1.06, 1.37), smoking during pregnancy (OR = 1.30, 95% CI = 1.06, 1.59) and maternal ethnicity (OR = 3.34, 95% CI = 1.61, 6.96). At age five the experience of multiple stress events (OR = 1.17, 95% CI = 1.08, 1.27), cigarette smoking (OR = 1.19, 95% CI = 1.03, 1.37), male gender (OR = 1.43, 95% CI = 1.02, 2.00), breastfeeding for a shorter time (OR = .97, 95% CI = .94, .99) and multiple baby blues symptoms (OR = 1.08, 95% CI = 1.02, 1.14) were significant predictors of mental health problems.
Conclusions:
Early childhood mental health is significantly affected by prenatal events in addition to the child's later environment. Interventions targeting adverse prenatal, perinatal and postnatal influences can be expected to improve mental health outcomes for children in the early years.
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