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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.



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


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.


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.


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.


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

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