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https://hdl.handle.net/2440/133481
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Type: | Journal article |
Title: | Maternal micronutrient consumption periconceptionally and during pregnancy: a prospective cohort study |
Author: | Livock, M. Anderson, P.J. Lewis, S. Bowden, S. Muggli, E. Halliday, J. |
Citation: | Public Health Nutrition, 2017; 20(2):294-304 |
Publisher: | Cambridge University Press |
Issue Date: | 2017 |
ISSN: | 1368-9800 1475-2727 |
Statement of Responsibility: | Michelle Livock, Peter J Anderson, Sharon Lewis, Stephen Bowden, Evelyne Muggli and Jane Halliday |
Abstract: | OBJECTIVE:To examine overall micronutrient intake periconceptionally and throughout pregnancy in a population-based cohort of Australian women. DESIGN:In a prospective cohort study, micronutrient dosages were extracted from self-reported maternal supplement use, recorded pre-conception, and for each trimester of pregnancy. A food frequency scale (DQESv2) captured usual maternal diet for gestational weeks 14-26. The influence of sociodemographic and lifestyle factors associated with supplement use was examined using logistic regression, and changes in micronutrient intakes prior to and throughout pregnancy were assessed using repeated-measures ANOVA analyses. SETTING:Metropolitan hospital sites in Melbourne, Australia. SUBJECTS:Women with a viable singleton pregnancy were recruited at less than 19 weeks' gestation (n 2146). RESULTS:Compared with non-users, women using supplements during pregnancy were more likely to have planned their pregnancy, be >25 years old, primiparous, Caucasian, non-smokers, have a tertiary education and be consuming a folate-rich diet. Intakes of folate, Fe and Zn were significantly lower in the periconceptional period, compared with other periods (P<0·001). Intakes below Recommended Daily Intake levels were common both periconceptionally and throughout pregnancy, with 19-46 % of women not meeting the Recommended Daily Intake for folate, 68-82 % for Fe and 17-36 % for Zn. Conversely, 15-19 % of women consumed beyond the recommended Upper Limit for folate and 11-24 % for Fe. CONCLUSIONS:The study highlights the need for improved public health education on nutritional needs during pregnancy, especially among women with lower educational achievements and income. |
Keywords: | Dietary supplements; pregnancy; folate; zinc; iron |
Rights: | © The Authors 2016. |
DOI: | 10.1017/S1368980016002019 |
Grant ID: | http://purl.org/au-research/grants/nhmrc/1011070 http://purl.org/au-research/grants/nhmrc/1081288 http://purl.org/au-research/grants/nhmrc/1021252 |
Published version: | http://dx.doi.org/10.1017/s1368980016002019 |
Appears in Collections: | Public Health publications |
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