The Study
A modular systematic review of antenatal interventions to address undernutrition during pregnancy in the prevention of low birth weight.
This study looks at many past experiments to see if certain vitamins and foods during pregnancy help babies be born at a healthy weight. Because we only have a short summary, we can't be sure how carefully those past experiments were done, so we can only say these foods might be linked to healthier babies, not that they definitely cause it.
Analysis score
Maximum 100 for a systematic review.
Where the score came from
Researchers looked at past studies to see if giving pregnant women extra nutrients helps babies be born at a healthy weight. They found that specific food and vitamin supplements can lower the chance of babies being born too small or stillborn, especially in areas where mothers don't get enough nutrition.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 528 / 100
Quality score
The highest quality evidence. Systematic reviews and meta-analyses that pool randomized controlled trials, giving the most reliable summary of experimental evidence.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes, preventing low birth weight and stillbirth significantly improves infant survival and long-term health outcomes, making these nutritional interventions highly relevant for maternal and child health programs.
- 2BPE, MMN, and LNS supplements reduce risks of low birth weight, small-for-gestational-age, and stillbirth.
- 3O3FA and high-dose calcium may also help in wealthier regions.
- 4Dietary education might lower low birth weight risk.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
The American journal of clinical nutrition
Year
2023
Authors
P. Hunter, Y. Muthiani, P. Näsänen-Gilmore, A. Koivu, Pia Pörtfors, K. Bastola, Raija Vimpeli, Juho Luoma, U. Ashorn, P. Ashorn
Related Content
Claims (5)
Giving pregnant women extra protein and calories early in their pregnancy helps lower the chances of having a baby with serious health risks.
Taking a multivitamin with many different nutrients during pregnancy in developing countries may help prevent babies from being born too small or underweight, compared to just taking iron supplements.
Taking omega-3 supplements while pregnant might help lower the chance of having a baby born too small, especially in wealthier nations.
Giving pregnant women who aren't getting enough nutrients a balanced supplement of protein and energy may help prevent complications like having a very small baby or a stillbirth.
Giving pregnant women lipid-based nutrient supplements instead of standard vitamin pills is linked to a lower chance of having a baby born too small.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.