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Calcium in Pregnancy & Breastfeeding: Daily Needs & Bone Health

Fetal skeletal formation, maternal bone adaptations during lactation, and meeting 1,000–1,300 mg daily calcium targets during pregnancy.

By Nourish By Nutrients Editorial Team • Updated: 2026-10-07

Key Evidence Takeaways:

  • Pregnant women need 1,000 mg/day (1,300 mg if under 19) to build fetal bones.
  • Intestinal calcium absorption doubles naturally during pregnancy.
  • Temporary bone loss during breastfeeding fully recovers after weaning.