Preconception dietary patterns in human pregnancies are associated with preterm delivery

Grieger, Jessica A., Grzeskowiak, Luke E. and Clifton, Vicki L. (2014) Preconception dietary patterns in human pregnancies are associated with preterm delivery. Journal of Nutrition, 144 7: 1075-1080. doi:10.3945/jn.114.190686

Author Grieger, Jessica A.
Grzeskowiak, Luke E.
Clifton, Vicki L.
Title Preconception dietary patterns in human pregnancies are associated with preterm delivery
Journal name Journal of Nutrition   Check publisher's open access policy
ISSN 1541-6100
Publication date 2014-07-01
Year available 2014
Sub-type Article (original research)
DOI 10.3945/jn.114.190686
Open Access Status Not yet assessed
Volume 144
Issue 7
Start page 1075
End page 1080
Total pages 6
Place of publication Bethesda, MD United States
Publisher American Society for Nutrition
Language eng
Abstract Maternal nutrition can have a profound effect on fetal growth, development, and subsequent infant birth weight. Preconception dietary patterns have not been assessed in relation to perinatal outcomes. The objectives of this study were to identify associations between maternal dietary patterns in the 12 mo before conception on fetal growth and preterm delivery. Preconception food frequency data were collected retrospectively in 309 women. Dietary patterns were derived using factor analysis. Perinatal outcomes were collected at delivery with birth weight data calculated into percentiles to assess small and large for gestational age and preterm delivery at <37 wk. Three dietary patterns were identified: 1) high-protein/fruit (characterized by fish, meat, chicken, fruit, and some whole grains); 2) high-fat/sugar/ takeaway (takeaway foods, potato chips, refined grains); and 3) vegetarian-type (vegetables, legumes, whole grains). A 1-SD increase in the scores on the high-protein/fruit pattern was associated with decreased likelihood of preterm birth (adjusted OR: 0.31; 95% CI: 0.13, 0.72; P = 0.007), whereas the reverse direction was apparent for the high-fat/sugar/takeaway pattern (adjusted OR: 1.54; 95% CI: 1.10, 2.15; P = 0.011). A 1-SD increase in the scores on the high fat/sugar/takeaway pattern was also associated with shorter gestation (adjusted regression coefficient: 22.7; 95% CI: 24.3, 21.1; P = 0.001) and birth length (adjusted regression coefficient: 20.5; 95% CI: 20.8, 20.1; P = 0.004). Nutrition before pregnancy is associated with perinatal outcomes. A dietary pattern containing several protein-rich food sources, fruit, and some whole grains is associated with reduced likelihood for preterm delivery, whereas a dietary pattern mainly consisting of discretionary items is associated with preterm delivery, shorter birth length, and earlier gestation. Poor dietary behaviors in the periconceptional period could be altered to promote behavior change in dietary intake to improve perinatal outcomes and the long-term health of the child.
Keyword Nutrition & Dietetics
Nutrition & Dietetics
Q-Index Code C1
Q-Index Status Provisional Code
Grant ID 510703
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Mater Research Institute-UQ (MRI-UQ)
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