Association of Maternal Short Sleep Duration With Neurodevelopmental Delay in Offspring: A Prospective Cohort Study
Abstract
CONTEXT
To investigate how short sleep duration (SSD) during pregnancy is related to neurodevelopmental delays in offspring, we aimed to inform pregnancy sleep guidelines and promote maternal health and child development.
OBJECTIVE
To identify the associations between SSD during pregnancy and offspring neurodevelopmental delay and to determine whether fetal glucose metabolism plays a role in SSD and neurodevelopmental delays.
METHODS
This cohort study followed 7059 mother-child pairs from the Maternal & Infants Health in Hefei cohort, and collected sleep data during pregnancy via the Pittsburgh Sleep Quality Index at weeks 24 to 28 and 32 to 36. Neurodevelopmental outcomes from 6 to 36 months postpartum were assessed via the Denver Developmental Screening Test-II and the Gesell Development Diagnosis Scale. Cox proportional hazard regression was used to analyze the link between maternal SSD and neurodevelopmental delay risk. Mediation analysis was used to evaluate the role of cord blood serum C-peptide levels. Three hospitals and children's health centers in Hefei were involved.
RESULTS
The stratified analysis revealed a significant association between mothers with SSD during midpregnancy and neurodevelopmental delay in boys (adjusted HR 2.05, 95% CI 1.29, 3.25). Cord blood marker analysis revealed a positive relationship between cord blood serum C-peptide levels and neurodevelopmental delay in offspring (RR 0.04, 95% CI 0.00, 0.08). The proportion of the association between…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence.
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