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Year : 2018  |  Volume : 22  |  Issue : 6  |  Page : 801-805

Correlation of serum Vitamin D levels in lactating mothers and their infants

1 Department of Paediatrics, Banaras Hindu University, Varanasi, Uttar Pradesh, India
2 Department of Paediatrics, JLN Medical College, Ajmer, Rajasthan, India
3 Department of Paediatrics, Dr. S. N. Medical College, Jodhpur, Rajasthan, India

Correspondence Address:
Manish Verma
IW/3/7, Behind Isolation Ward, JLN Hospital, Ajmer - 305 001, Rajasthan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijem.IJEM_186_17

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Background: Although Vitamin D deficiency is highly prevalent in Indians, data on Vitamin D eficiency in lactating mothers and exclusively breast fed infants is inadequate. Objective: This study was done to evaluate the prevalence of Vitamin D deficiency in lactating mothers and their infants and to find out any correlation between them. Materials and Methods: This hospital based, cross sectional study included 200 healthy infants between 1-30 days and their mothers. Serum sample was collected from both for Ca, inorganic phosphate (IP), alkaline phosphatase (ALP), and 25(OH)D. Results: Mean serum 25(OH)D level of mothers was 11.33 ± 5.86 ng/ml with a range of 2–37 ng/ml. Hypovitaminosis D was defined as serum 25(OH)D level <10 ng/ml. Almost 94 (47%) of mothers were having hypovitaminosis D. Mean serum 25(OH)D level of infants was 11.92 ± 7.89 ng/dl with a range of 2.5–68 ng/dl. Ninety (45%) infants were having hypovitaminosis D. There was a moderate positive correlation between individual mothers' and infants' serum 25(OH)D values (Pearson coefficient = 0.516, P < 0.001). Using logistic regression, it was found that infants born to mothers with hypovitaminosis D carry a 4.47 times more risk of developing hypovitaminosis D as compared to infants born to mothers with normal serum 25(OH)D (Odds ratio = 4.47, P < 0.001). Conclusion: This study shows a high prevalence of Vitamin D deficiency in lactating mothers and their breastfeeding infants with a positive correlation between them. These results provide a justification for adequate Vitamin D supplementation of all exclusively breastfeeding infants and highlight the urgent need to improve maternal Vitamin D status.

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