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Related Concept Videos

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Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone mineralization, tooth health, heart rate regulation and strength of contraction, blood coagulation, the contraction of smooth and skeletal muscle cells, and the regulation of nerve impulse conduction. The average calcium level in the blood is about 10 mg/dL. When the body cannot maintain this level, a person will experience hypo or hypercalcemia.
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The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
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Calcium is an essential signaling molecule required for various cellular functions. Calcium pumps and ion channels on cell and organellar membranes, such as those on the endoplasmic reticulum (ER), regulate calcium concentrations inside the cell. They remain closed, keeping the cytosolic calcium levels low at a resting state.
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The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
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Related Experiment Video

Updated: May 15, 2025

Quantitating Iron Transport Across the Mouse Placenta In Vivo Using Nonradioactive Iron Isotopes
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Calcium and Iron Nutrition through the Reproductive Life Course.

Kate A Ward1,2, Ann Prentice3,4,5

  • 1MRC Lifecourse Epidemiology Centre, Human Development and Health, University of Southampton, Southampton, UK, kw@mrc.soton.ac.uk.

Annals of Nutrition & Metabolism
|April 10, 2025
PubMed
Summary

Calcium and iron are vital micronutrients for women during their reproductive years. This review examines their impact on maternal bone health, pre-eclampsia prevention, and fetal development, especially in low-resource settings.

Keywords:
AdolescenceCalciumIronLactationPregnancy

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Related Experiment Videos

Last Updated: May 15, 2025

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Author Spotlight: Studying the Impact of Maternal Dietary Deficiencies on Long-Term Offspring Health Outcomes

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327

Area of Science:

  • Reproductive health
  • Nutritional science
  • Maternal and child health

Background:

  • Calcium and iron are essential micronutrients throughout life, particularly critical during the reproductive cycle.
  • Calcium's role in maternal/offspring bone health and pre-eclampsia prevention is established, though trial results vary.
  • Iron is vital for red blood cell synthesis, oxygen transport, and preventing anemia.

Purpose of the Study:

  • To review the evidence on dietary calcium and iron intake during the reproductive life course.
  • To focus on calcium's effects on bone health and pre-eclampsia.
  • To examine iron's role in fetal/neonatal development and factors affecting its availability.

Main Methods:

  • Literature review of existing research on calcium and iron.
  • Analysis of studies focusing on reproductive-aged women and their offspring.
  • Synthesis of evidence regarding dietary intake and health outcomes.

Main Results:

  • Calcium intake is linked to bone health and may help prevent pre-eclampsia.
  • Iron is crucial for fetal growth and preventing anemia, with needs influenced by inflammation and infection.
  • Low iron availability in certain environments poses risks to maternal and infant health.

Conclusions:

  • Dietary calcium and iron play significant roles in reproductive health outcomes.
  • Further research is needed to clarify optimal intake levels and interventions, especially in vulnerable populations.
  • Ensuring adequate intake of these micronutrients is key for healthy pregnancies and child development.