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Relationship between maternal and infants' Serum 25-Hydroxyvitamin D, Calcium, and Phosphates in an exclusively breastfeeding population

1 Department of Paediatrics, Federal Medical Centre, Keffi, Nigeria
2 Department of Paediatrics and Child Health, Obafemi Awolowo University, Ile-Ife, Nigeria
3 Department of Pharmaceutical Chemistry, Obafemi Awolowo University, Ile-Ife, Nigeria
4 Department of Community Medicine, Federal Medical Centre, Keffi, Nigeria

Correspondence Address:
Bankole Peter Kuti,
Department of Paediatrics and Child Health, Obafemi Awolowo University, Ile-Ife
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jmedsci.jmedsci_291_20

Background: Maternal nutrition is linked to nutrient supply to breastfeeding infants. This study aimed to determine how maternal serum Vitamin D relates to serum calcium, phosphate, and Vitamin D of exclusively breastfeeding young infants. Methods: Mother–infant pairs practicing exclusive breastfeeding at a Nigerian tertiary hospital were recruited and characterized. Their serum 25-hydroxyvitamin D (25-OHD), calcium, and phosphate were analyzed and compared. Results: A total of 110 mother–infant pairs were recruited. Mean (standard deviation) ages for mothers and infants were 27.4 (5.0) years and 3.0 (1.4) months, respectively. Thirty-four (30.9%) mothers and 26 (23.6%) infants were Vitamin D deficient. Serum 25-OHD (39.5 [25.0] vs. 33.4 [19.5] ng/ml; P = 0.045) and phosphate (4.9 [1.6] vs. 4.4 [1.8] mg/dl; P = 0.031) were lower in mothers than infants. Maternal 25-OHD correlated positively with infants' 25-OHD but not with infants' serum calcium and phosphate. Conclusion: Unlike serum calcium and phosphate, optimal maternal serum Vitamin D is necessary to maintain appropriate amount of serum Vitamin D in exclusively breastfeeding infants.


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