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Micronutrient programming of development throughout gestation.

C J Ashworth1, C Antipatis

  • 1Scottish Agricultural College, Craibstone Estate, Bucksburn, Aberdeen AB21 9SB, UK. c.ashworth@ab.sac.ac.uk

Reproduction (Cambridge, England)
|September 26, 2001
PubMed
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Optimal micronutrient intake, including folic acid, zinc, iron, copper, and antioxidant vitamins A and E, is crucial during pregnancy. Imbalances can harm fetal development, with effects potentially appearing later and irreversible by postnatal supplementation.

Area of Science:

  • Reproductive biology
  • Developmental biology
  • Nutritional science

Background:

  • Micronutrients (vitamins and minerals) are vital for cellular functions, enzyme activity, and gene regulation.
  • Emerging research highlights the critical role of specific micronutrients during periovulatory and prenatal development.
  • Both deficiency and excess of micronutrients can significantly impact fetal development, even without maternal deficiency symptoms.

Purpose of the Study:

  • To review the importance of key micronutrients during critical stages of pregnancy.
  • To discuss the mechanisms by which micronutrient imbalances affect fetal development.
  • To emphasize the lasting consequences of early-life nutritional status.

Main Methods:

  • Literature review focusing on micronutrient roles in pregnancy and fetal development.

Related Experiment Videos

  • Analysis of the impact of specific micronutrients like folic acid, zinc, iron, copper, and vitamins A and E.
  • Examination of the consequences of both deficiency and excess on fetal tissues and organs.

    • Main Results:

    • Micronutrient imbalances during pregnancy can lead to persistent fetal effects, sometimes manifesting later in development.
    • Zinc deficiency, in particular, is linked to increased fetal malformations and resorptions compared to general undernutrition.
    • Early-life micronutrient status is critical, as later supplementation cannot fully correct developmental deficits.

    Conclusions:

    • Micronutrient status profoundly influences pregnancy outcomes and fetal programming through metabolic and signaling pathways.
    • Imbalances can disrupt antioxidant defenses, increasing susceptibility to free radical damage.
    • Addressing micronutrient needs during critical prenatal periods is essential for healthy fetal development.