Newborn Adiposity and Cord Blood C-Peptide as Mediators of the Maternal Metabolic Environment and Childhood Adiposity

Cord blood
DOI: 10.2337/dc20-2398 Publication Date: 2021-02-22T20:35:14Z
ABSTRACT
Excessive childhood adiposity is a risk factor for adverse metabolic health. The objective was to investigate associations of newborn body composition and cord C-peptide with anthropometrics explore whether these measures mediate maternal midpregnancy glucose BMI adiposity.Data on mother/offspring pairs (N = 4,832) from the epidemiological Hyperglycemia Adverse Pregnancy Outcome (HAPO) Study HAPO Follow-up (HAPO FUS) were analyzed. Linear regression used study between anthropometrics. Structural equation modeling anthropometric as potential mediators during pregnancy outcomes.In models including adjustments, measured by sum skinfolds associated child outcomes (adjusted mean difference, 95% CI, P value) (0.26, 0.12-0.39, <0.001), z-score (0.072, 0.033-0.11, fat mass (kg) (0.51, 0.26-0.76, percentage (0.61, 0.27-0.95, (mm) (1.14, 0.43-1.86, 0.0017). demonstrated significant mediation effects (proportion total effect 2.5% 1%, respectively), (3.1%, 1.2%), (3.6%, 1.8%), (2.9%, association 22.0% 21.0%, (15.0%, 18.0%), 20.0%).Newborn independently and, along fetal hyperinsulinemia, mediates, in part, adiposity.
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