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Quantitating Iron Transport Across the Mouse Placenta In Vivo Using Nonradioactive Iron Isotopes
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Iron deficiency in pregnancy.

Michael K Georgieff1

  • 1Division of Neonatology, Department of Pediatrics, University of Minnesota Medical School, Minneapolis, MN.

American Journal of Obstetrics and Gynecology
|March 19, 2020
PubMed
Summary

Iron deficiency during pregnancy poses risks to both mother and child, impacting fetal brain development and long-term neurocognitive function. Early diagnosis and prevention are crucial for healthy pregnancy outcomes and lifelong infant health.

Keywords:
anemiabiomarkersbrainbrain developmentepigeneticsferritinfetal growth restrictionfetusgestational diabeteshemoglobinhepcidinhippocampusironiron deficiencymental healthmetabolismnutrition neurodevelopmental disorderplacentapregnancyprematuritypreterm birth

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Area of Science:

  • Obstetrics and Gynecology
  • Nutritional Neuroscience
  • Developmental Biology

Background:

  • Iron is vital for cellular function, with increased demands during pregnancy.
  • Pregnancy is a state of high risk for iron deficiency, challenging traditional diagnostic biomarkers.
  • Iron deficiency is linked to adverse maternal and fetal outcomes, including impaired fetal brain development.

Purpose of the Study:

  • To review strategies for diagnosing and preventing iron deficiency in pregnancy.
  • To describe the neurocognitive and mental health consequences of fetal iron deficiency.
  • To emphasize the critical role of iron in fetal brain development and lifelong function.

Main Methods:

  • Literature review of iron's role in cellular function and pregnancy.
  • Analysis of diagnostic challenges and limitations of biomarkers (hemoglobin, ferritin).
  • Examination of fetal iron deficiency's impact on neurodevelopment and mental health.

Main Results:

  • Iron deficiency during pregnancy is associated with poor maternal and infant outcomes.
  • Fetal brain development is particularly vulnerable to iron deficiency, with lasting neurocognitive effects.
  • Low maternal iron intake correlates with offspring neurodevelopmental and mental health issues.

Conclusions:

  • Iron deficiency in pregnancy requires effective diagnostic and preventive strategies.
  • Fetal iron status profoundly influences brain development, affecting cognitive and mental health across the lifespan.
  • Adequate maternal iron intake is essential for optimal fetal neurodevelopment and long-term well-being.