Calcium and Phosphorus Metabolism

  • William H. Bergstrom
  • Margaret L. Williams


During normal human pregnancy, the fetus accumulates approximately 30 g calcium and 24 g phosphorus, most of which is deposited in the skeleton, and is born with approximately 11 mg calcium and 5.6 mg phosphorus/dl serum. (36) These figures are independent of maternal intakes of calcium, phosphorus, and calciferol (“vitamin D”) over rather wide ranges. In the neonatal period, especially in premature infants, clinically significant fluctuations in serum calcium and phosphorus concentration are common. In this chapter, we shall discuss the factors that contribute to intrauterine stability and postpartum perturbations of calcium and phosphorus metabolism.


Premature Infant Serum Calcium Diabetic Mother Serum Calcium Concentration Phosphorus Metabolism 
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Copyright information

© Plenum Publishing Corporation 1978

Authors and Affiliations

  • William H. Bergstrom
    • 1
  • Margaret L. Williams
    • 1
  1. 1.Department of PediatricsState University of New York Upstate Medical CenterSyracuseUSA

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