ReviewNutrients2019
Macronutrient and Micronutrient Intake during Pregnancy: An Overview of Recent Evidence.
Review in Nutrients, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 231 papers, 12 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
231 citing papers in PubMed, 12 syntheses or guidelines pooled it, 473 citations in OpenAlex.
- Impact of maternal micronutrient supplementation on pregnancy outcomes in developing countries: a systematic review and meta-analysis.BMC pregnancy and childbirth · 2026Pooled it
- Effects of vitamin and multiple micronutrient supplementation for pregnant and/or lactating women on maternal and infant nutritional status in low- and middle-income countries: a systematic review and meta-analysis.Advances in nutrition (Bethesda, Md.) · 2025Pooled it
- Dietary Patterns and Diet Quality before and/or during Pregnancy and How These Affect Birth Outcomes: A Systematic Review and Meta-analysis.Advances in nutrition (Bethesda, Md.) · 2025Pooled it
- Systematic Review of Nutritional Guidelines for the Management of Gestational Diabetes Mellitus: A Global Comparison.Nutrients · 2025Pooled it
- Family planning and nutrition: systematic review of the effects of family planning on nutritional status of adolescent girls and women of reproductive age.BMJ global health · 2025Pooled it
- Role of preconception nutrition supplements in maternal anemia and intrauterine growth: a systematic review and meta-analysis of randomized controlled trials.Systematic reviews · 2025Pooled it
- Efficacy of vitamin C supplementation during pregnancy in the prevention of preterm birth: a systematic review and meta-analysis.Revista brasileira de ginecologia e obstetricia : revista da Federacao Brasileira das Sociedades de Ginecologia e Obstetricia · 2025Pooled it
- The Association of a Vegan Diet during Pregnancy with Maternal and Child Outcomes: A Systematic Review.Nutrients · 2024Pooled it
- Association betweenFrontiers in neurology · 2024Pooled it
- A Systematic Review Investigating Maternal Nutrition During Pregnancy After Bariatric Surgery.Obesity surgery · 2023Pooled it
- Maternal dietary components in the development of gestational diabetes mellitus: a systematic review of observational studies to timely promotion of health.Nutrition journal · 2023Pooled it
- Pooled it
- Associations of antenatal micronutrient supplementation with adolescent blood pressure: evidence from a 14-year follow-up study of a randomized controlled trial.BMC public health · 2025Trial
- Effectiveness of nutrition literacy intervention on pregnancy weight and eating behavior: a randomized controlled trial.Scientific reports · 2025Trial
- The effect of nutrition education based on the Health Belief Model (HBM) on food intake in pregnant Afghan immigrant women: a semi-experimental study.BMC pregnancy and childbirth · 2024Trial
- Effect of Mediterranean diet or mindfulness-based stress reduction during pregnancy on placental volume and perfusion: A subanalysis of the IMPACT BCN randomized clinical trial.Acta obstetricia et gynecologica Scandinavica · 2024Trial
- Preconception Micronutrient Supplementation Affects Maternal BMI and Body Composition Postpartum: A Randomized Controlled Trial in Vietnam.The Journal of nutrition · 2024Trial
- Trial
- Longitudinal Nutritional Intakes in Italian Pregnant Women in Comparison with National Nutritional Guidelines.Nutrients · 2022Trial
- The effect of blister packaging Iron and Folate on adherence to medication and hemoglobin levels among pregnant women at National Referral Hospital antenatal clinics in a low to middle income country: a Randomised Controlled Trial (The IFAd Trial).BMC pregnancy and childbirth · 2022Trial
171 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nutritional status during pregnancy can have a significant impact on maternal and neonatal health outcomes. Requirements for macronutrients such as energy and protein increase during pregnancy to maintain maternal homeostasis while supporting foetal growth. Energy restriction can limit gestational weight gain in women with obesity; however, there is insufficient evidence to support energy restriction during pregnancy. In undernourished women, balanced energy/protein supplementation may increase birthweight whereas high protein supplementation could have adverse effects on foetal growth. Modulating carbohydrate intake via a reduced glycaemic index or glycaemic load diet may prevent gestational diabetes and large-for-gestational-age infants. Certain micronutrients are also vital for improving pregnancy outcomes, including folic acid to prevent neural tube defects and iodine to prevent cretinism. Newly published studies support the use of calcium supplementation to prevent hypertensive disorders of pregnancy, particularly in women at high risk or with low dietary calcium intake. Although gaps in knowledge remain, research linking nutrition during pregnancy to maternofoetal outcomes has made dramatic advances over the last few years. In this review, we provide an overview of the most recent evidence pertaining to macronutrient and micronutrient requirements during pregnancy, the risks and consequences of deficiencies and the effects of supplementation on pregnancy outcomes.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.