Association of late-onset postpartum depression of mothers with expressive language development during infancy and early childhood: the HBC study

While it has been implied that an infant's exposure to maternal postpartum depression (PPD) may be associated with delayed development of expressive language, it remains unclear whether such a delay persists into childhood and whether the onset of PPD onset-early (within 4 weeks after childbirt...

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Bibliographic Details
Published in:PeerJ (San Francisco, CA) CA), 2019-03, Vol.7, p.e6566-e6566, Article e6566
Main Authors: Aoyagi, Sona-Sanae, Takei, Nori, Nishimura, Tomoko, Nomura, Yoko, Tsuchiya, Kenji J
Format: Article
Language:English
Subjects:
Age
Breastfeeding & lactation
Child development
Children
Children & youth
Cohort analysis
Cohort study
Epidemiology
Japan
Language
Language acquisition
Language development
Medical screening
Mental depression
Mothers
Neonates
Newborn infants
Pediatrics
Population studies
Postpartum
Postpartum depression
Postpartum period
Psychiatry
Psychiatry and Psychology
Psychological aspects
Public Health
Regression analysis
Studies
Systematic review
Womens health
Women’s Health
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Summary:While it has been implied that an infant's exposure to maternal postpartum depression (PPD) may be associated with delayed development of expressive language, it remains unclear whether such a delay persists into childhood and whether the onset of PPD onset-early (within 4 weeks after childbirth) vs. late (between 5 and 12 weeks postpartum)-is relevant in this context. To examine whether children of mothers with early- or late-onset PPD have reduced expressive language scores during infancy and early childhood (up to 40 months of age). This longitudinal, observational study was conducted as a part of the Hamamatsu Birth Cohort for Mothers and Children (HBC Study), a population-representative sample in Japan. A total of 969 neonates and their mothers were included in the analysis. Early- and late-onset PPD was measured using the Edinburgh Postnatal Depression Scale. Expressive language development was measured using the Mullen Scales of Early Learning. Six points over time were monitored (10, 14, 18, 24, 32, and 40 months postpartum). The relationship between the exposure variable and any change in expressive language score was evaluated using multiple linear regression analysis and growth curve analysis, both adjusted for covariates. Results from the adjusted regression analysis showed that children of mothers with late-onset PPD had significantly lower expressive language scores at 18 months of age and beyond, with a score reduction of approximately 0.6 standard deviations from the reference value at 40 months of age (95% CI [-0.888 to -0.265],  
ISSN:2167-8359
2167-8359
DOI:10.7717/peerj.6566