Should a breastfeeding moms take calcium?

Breastfeeding mothers often wonder if they need to increase their calcium intake. Here’s a detailed answer:

1: Breast Milk and Calcium: Breast milk contains calcium, which is essential for the baby’s developing bones and teeth. To ensure the baby gets the required amount of calcium, a mother’s body can adjust by increasing the efficiency of calcium absorption from the diet and, if necessary, by mobilizing calcium stores from her own bones.

2: Maternal Bone Density: Some studies have shown a temporary decrease in maternal bone density during breastfeeding, especially in the spine and hip. However, this bone loss is typically recovered post-weaning. In fact, long-term studies indicate that women who have breastfed have similar or even increased bone density compared to women who have never breastfed.

3: Calcium Recommendations: For most adults, the recommended daily allowance (RDA) for calcium is 1000 mg. For teenagers and young adults (ages 14-18), it’s 1300 mg. The RDA does not increase during lactation. This means that a breastfeeding mother doesn’t necessarily need to consume more calcium than she did before pregnancy, but she should ensure she’s meeting the daily recommendations. Consuming adequate vitamin D also helps in calcium absorption, so it’s essential to ensure an appropriate intake of this nutrient as well.

4: Sources of Calcium: Dietary sources include dairy products (milk, yogurt, cheese), calcium-fortified products (like some plant-based milks and juices), leafy green vegetables, fish with soft bones (like sardines and salmon), and nuts and seeds.

5: Conclusion: While breastfeeding may have temporary effects on maternal bone density, mothers don’t necessarily need to consume extra calcium beyond the standard recommendations. However, ensuring adequate calcium and vitamin D intake is essential for both mother and baby’s health.

Reference

1: Ann Prentice, Calcium Requirements of Breast-feeding Mothers, Nutrition Reviews, Volume 56, Issue 4, April 1998, Pages 124–127,

2:Kalkwarf HJ. Lactation and maternal bone health. Adv Exp Med Biol. 2004;554:101-14. doi: 10.1007/978-1-4757-4242-8_10. PMID: 15384570.

3: Calcium By Kelly Bonyata, IBCLC