Calcium and Vitamin D Requirements in Pregnancy/Lactation

Calculates recommended calcium and vitamin D intake during pregnancy and lactation based on age and life stage.

years
Age of the patient.
Current reproductive status.
mg/day
Optional: estimated daily calcium from diet.
IU/day
Optional: estimated daily vitamin D from diet/supplements.

Enter values and click Calculate to see results

References

  1. Dietary Reference Intakes for Calcium and Vitamin D. Institute of Medicine (2011). Link
  2. Nutrient Recommendations: Calcium and Vitamin D - NIH ODS. NIH Office of Dietary Supplements (2025). Link