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[ Recorded presentation ] Recorded presentation

Vitamin D status in an urban population of newly-delivered mothers in Boston, MA

Anne Merewood, MPH, IBCLC1, Supriya Mehta, MHS, PhD2, Patricia Francisco1, Xena Grossman, BA1, Kimberly Newton, BSc1, Lindsay MacAuley, MPH1, and Howard Bauchner, MD, MPH3. (1) Division of General Pediatrics, Boston Medical Center, 91 E Concord St 4th Fl Rm 4121, Boston, MA 02118, (617) 414-7902, Anne.Merewood@bmc.org, (2) Department of Emergency Medicine, Boston University School of Medicine, Dowling 1 South, Rm 1334, 1 Boston Medical Center Place, Boston, MA 02118, (3) Division of General Pediatrics, Boston University School of Medicine, Rm 4210, Boston, MA 02118

Background: Newly delivered women and their newborns are at risk of vitamin D deficiency. Adequate vitamin D is needed for normal growth and development. In addition, guidelines from the American Academy of Pediatrics state that exclusively breastfed infants should receive vitamin D supplements by 2 months. Objective: The study will determine vitamin D levels in Black, Hispanic, and White mothers and newborns in spring, summer, fall, and winter in a northern US climate (Boston). Methods: From a blood draw postpartum, we analyze 25(OH)D levels to measure vitamin D status in mothers and infant. Levels below 37.4 nmol (mother) or 27.5 nmol (infant) are considered deficient. Results: Between March 21 and December 20, 2005 (3 complete seasons) we enrolled 81 mother/infant pairs. Preliminary results for spring and summer show that among infants, the mean 25(OH)D level was 67.2 nmol (median 65 nmol; range 17.4 130.6 nmol). For mothers, the mean 25(OH)D level was 88.9 nmol (median 82.6 nmol, range 15-203 nmol). Black infants had a mean 25(OH)D level of 61.4 nmol, and White infants, of 73 nmol. Black mothers had a mean of 80.7 nmol, and White mothers, 91.3 nmol. Six (13%) infants and four (8%) mothers were vitamin D deficient in the spring and summer months. We anticipate greater deficiency in fall and winter. Conclusion: Vitamin D deficiency exists even in the summer months among mother/infant pairs in a northern climate.

Learning Objectives:

Keywords: Breast Feeding, Nutrition

Presenting author's disclosure statement:

Any relevant financial relationships? No

[ Recorded presentation ] Recorded presentation

Strategies for Improving Breastfeeding Outcomes in Vulnerable Populations

The 134th Annual Meeting & Exposition (November 4-8, 2006) of APHA