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J Pediatr. 2013 Oct;163(4):983-8. doi: 10.1016/j.jpeds.2013.05.014. Epub 2013 Jun 28.

Maternal lipids and small for gestational age birth at term.

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  • 1Department of Pediatrics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada; Department of Epidemiology, Biostatistics, and Occupational Health, Faculty of Medicine, McGill University, Montreal, Quebec, Canada.

Abstract

OBJECTIVE:

To compare maternal lipid and lipoprotein concentrations between small for gestational age (SGA) infants and infants with normal growth born at term.

STUDY DESIGN:

This was a case-control study nested within a large (n = 5337) prospective multicenter cohort of pregnant women followed to delivery. SGA cases (n = 323) were all term infants with birth weight below the 10th percentile for their gestational age and sex. Controls (n = 671) were selected at random from term infants with birth weight between the 25th and 75th percentiles. Plasma samples obtained at 24-26 weeks were analyzed for lipoproteins using a recently developed nuclear magnetic resonance-based procedure that distinguishes high-density lipoprotein (HDL) and low-density lipoprotein particles of different sizes. Apolipoprotein A-1 and C-II levels were analyzed using turbidimetric methods.

RESULTS:

Compared with controls, mothers of SGA cases had significantly higher mean concentrations of total HDL particles, medium and small HDL particles, and apolipoprotein A-1, with evidence of a dose-response relationship across quartiles of the control distribution. aORs for the highest quartiles were 2.8 (95% CI, 1.7-4.5) for total HDL particles and 3.1 (95% CI, 1.9-5.0) for apolipoprotein A-1.

CONCLUSION:

Our results suggest that the higher HDL particle and apolipoprotein A-1 concentrations in mothers of SGA cases may reflect defective placental transport of HDL, which could compromise cholesterol uptake by the developing fetus.

Copyright © 2013 Mosby, Inc. All rights reserved.

KEYWORDS:

BMI; Body mass index; FGR; Fetal growth restriction; HDL; High-density lipoprotein; IDL; Intermediate-density lipoprotein; LDL; Low-density lipoprotein; NMR; Nuclear magnetic resonance; SGA; Small for gestational age; VLDL; Very low-density lipoprotein

PMID:
23810722
[PubMed - indexed for MEDLINE]
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