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Updated: Mar 15, 2026

Author Spotlight: Studying the Impact of Maternal Dietary Deficiencies on Long-Term Offspring Health Outcomes
Published on: June 28, 2024
Supplements in pregnancy: the latest recommendations
1Departamento de Enfermería, Fisioterapia y Terapia Ocupacional. Facultad de Enfermería. Universidad de Castilla-La Mancha. Cuenca. rosamaria.martinez@uclm.es.
Micronutrient supplementation during pregnancy is crucial for maternal and fetal health. Specific recommendations exist for folic acid, iron, calcium, iodine, and vitamins A and D to prevent deficiencies and adverse outcomes.
Area of Science:
- Obstetrics and Gynecology
- Nutritional Science
- Maternal-Fetal Medicine
Background:
- Pregnancy significantly increases nutrient requirements, impacting maternal and fetal health.
- Micronutrient deficiencies are linked to adverse pregnancy outcomes like preeclampsia and congenital anomalies.
- Many expectant mothers have insufficient diets, necessitating targeted supplementation.
Purpose of the Study:
- To review current recommendations for micronutrient supplementation during pregnancy.
- To highlight the importance of adequate intake for preventing pregnancy complications.
- To discuss specific guidelines for folic acid, iron, calcium, iodine, and vitamins A and D.
Main Methods:
- Review of existing scientific literature and established clinical guidelines.
- Analysis of recommended dosages and timing for key micronutrients.
- Evaluation of risks and benefits associated with supplementation.
Main Results:
- Folic acid supplementation is recommended preconceptionally and during early gestation, with higher doses for at-risk individuals.
- Iron supplementation is advised for pregnant women with anemia, using intermittent dosing to minimize side effects.
- Calcium, iodine, vitamin A, and D supplementation should be individualized based on dietary intake and risk factors.
Conclusions:
- Targeted micronutrient supplementation is essential for optimizing pregnancy outcomes.
- Individualized assessment of nutritional status is key to appropriate supplementation.
- Further research is needed to support the use of multiple micronutrient supplements over standard iron and folic acid therapy.
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