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Published in: BMC Public Health 1/2024

Open Access 01-12-2024 | Nutrition | Research

Maternal macronutrient and energy intake during pregnancy: a systematic review and meta-analysis

Authors: Mohammad Khammarnia, Alireza Ansari-Moghaddam, Fatemeh Govahi kakhki, Cain Craig Truman Clark, Fatemeh Bagher Barahouei

Published in: BMC Public Health | Issue 1/2024

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Abstract

Background

Nutritional status during pregnancy can have a significant impact on infant and maternal health outcomes. To maintain maternal homeostasis and support fetal growth, adequate macronutrient and energy intake during pregnancy is essential. Therefore, this study sought to systematically review and meta-analyze macronutrient and energy intakes during pregnancy.

Methods

A systematic review and meta-analysis was carried out based on the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. The required data were collected from four databases including: Web of Sciences, ProQuest, Scopus, and PubMed, from 1 January 1980 to 30 May 2023, by using a combination of search terms (dietary pattern" OR "diet quality" OR "food habits" OR "nutrition surveys" OR "diet surveys" OR "food-frequency questionnaire" OR "diet record" OR "dietary recall") AND ( "pregnancy" OR "reproduction" OR "maternal health" OR "neonatal outcomes") among interventional and observational studies. Excel and STATA version 11 were used for data analysis.

Results

Among 7081 published articles, 54 studies were included in the review. Most of the 33 (61%) studies were cohort studies and a total of 135,566 pregnant women were included. The overall average of energy, carbohydrate, fat, and protein intake was 2036.10 kcal/day, 262.17 gr/day, 74.17 gr/day, and 78.21 gr/day, respectively. Also, energy intake during pregnancy was higher in American (2228.31 kcal/day, CI95%: 2135.06–2325.63) and Eastern Mediterranean regions (2226.70 kcal/day, CI95%: 2077.23–2386.92) than other regions (P < 0.001). Energy intake was higher in the third trimester than others (2115.64 kcal/day, CI95%: 1974.15–2267.27). Furthermore, based on the findings, there was a significant difference between energy intake in different World Health Organization (WHO) regions (P < 0.05).

Conclusions

According to the results of meta-analysis, the average total energy was below than average total energy required during pregnancy. More efforts are needed to encourage women to adopt healthy eating habits during pregnancy to support healthy fetal and infant development.
Appendix
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Metadata
Title
Maternal macronutrient and energy intake during pregnancy: a systematic review and meta-analysis
Authors
Mohammad Khammarnia
Alireza Ansari-Moghaddam
Fatemeh Govahi kakhki
Cain Craig Truman Clark
Fatemeh Bagher Barahouei
Publication date
01-12-2024
Publisher
BioMed Central
Keyword
Nutrition
Published in
BMC Public Health / Issue 1/2024
Electronic ISSN: 1471-2458
DOI
https://doi.org/10.1186/s12889-024-17862-x

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