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. 2023 May 4;11(7):4113-4123.
doi: 10.1002/fsn3.3401. eCollection 2023 Jul.

Maternal diet quality and nutrient intakes across preconception and pregnancy are not consistent with Australian guidelines: Results from the pilot BABY1000 study

Katie Maneschi  1 , Taryn Geller  1 , Clare E Collins  2   3 , Adrienne Gordon  4   5 , Allison Grech  4   5
Affiliations

Maternal diet quality and nutrient intakes across preconception and pregnancy are not consistent with Australian guidelines: Results from the pilot BABY1000 study

Katie Maneschi et al. Food Sci Nutr. .

Abstract

Background and objective: Maternal nutrition has profound and lasting effects on growth and health from infancy into adulthood. The aim of this manuscript was to assess diet quality and nutrient adequacy in preconception and pregnancy in BABY1000 pilot study participants (n = 171).

Study design and methods: The Australian Eating Survey (AES) Food Frequency Questionnaire was administered to women based in Sydney, Australia, at preconception or 12 weeks' gestation (n = 158), and again at 36 weeks' gestation (n = 99). Primary outcomes were diet quality and nutrient intake. Diet quality was evaluated using the AES diet quality subscale, the Australian Recommended Food Score (ARFS). Nutrient intakes were compared to Australian Nutrient Reference Values. Diet quality and nutrient intakes were not consistent with Australian recommendations. Over 83% of women exceeded the suggested target limits for percentage energy from saturated fat. Median ARFS was 37 at baseline, and 38 in late pregnancy (maximum score 73). Inadequate micronutrient intakes from food were common; no participants met the Estimated Average Requirement for iron, 76%-84% for iodine, 70%-78% for calcium and 44%-50% for folate. Maternal diet quality and nutrient intakes in the current sample are inconsistent with pregnancy recommendations and therefore may not be supporting optimal perinatal or long-term offspring health. Stronger messaging around the importance of prenatal nutrition, prevalence of dietary inadequacy, and availability of reliable support and information specific to nutrition in pregnancy is crucial in supporting women to improve their nutrition both before and during pregnancy.

Keywords: diet quality; maternal nutrition; micronutrients; preconception; pregnancy.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

FIGURE 1
FIGURE 1
Micronutrients with substantial perinatal importance and their common food sources (Blumfield et al., ; Hermoso et al., 2011).
See this image and copyright information in PMC

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