Relationships of pregnancy and postpartum diet quality with offspring birth weight and weight status through 12 months
Authors' conclusion
Maternal diet quality during pregnancy (and during postpartum in mothers who breastfed for a longer duration) was inversely related to LGA and weight status indicators from birth through 12 months. Increasing maternal diet quality may have use for promoting healthy infant weight development.
Study context
- Population
- Mothers followed from early pregnancy through 12 months postpartum, Pregnancy Eating Attributes Study (PEAS), 2014–2018
- Participants
- 458 mothers
- Exposure
- Maternal pregnancy and postpartum diet quality
- Outcome
- Pregnancy HEI and offspring LGA, WFLz and BMIz
- Follow-up
- Birth through 12 months
Methodological detailslongitudinal, logistic and linear mixed models
- Longitudinal
- Logistic and linear mixed models
Main finding
As reported in the abstract
Pregnancy HEI and large-for-gestational-age (LGA): OR
0.95
95% CI 0.92 to 0.98
Pregnancy HEI and WFLz: β
−0.01
95% CI −0.02 to −0.002
Pregnancy HEI and BMIz: β
−0.009
95% CI −0.02 to −0.0009
Observational data: associations, not effects.
Further findings
Postpartum HEI and WFLz, BMIz, by breastfeeding duration
- Breastfed ≥6 months, WFLz: β
- −0.01 (95% CI −0.02 to −0.0009)
- Breastfed ≥6 months, BMIz: β
- −0.008 (95% CI −0.02 to 0.0007)
- Not inversely related in infants breastfed for a shorter duration
Original publication
Relationships of pregnancy and postpartum diet quality with offspring birth weight and weight status through 12 months. Obesity (Silver Spring). Published 20 September 2023. doi:10.
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