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An assessment of urinary and breast milk iodine concentrations in lactating mothers from Gorgan, Iran, 2003

Bazrafshan, H.R. and Mohammadian, S. and Ordookhani, A. and Abedini, A. and Davoudy, R. and Pearce, E.N. and Hedayati, M. and Azizi, F. and Braverman, L.E. (2005) An assessment of urinary and breast milk iodine concentrations in lactating mothers from Gorgan, Iran, 2003. Thyroid, 15 (10). pp. 1165-1168.

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Abstract

Dietary iodine is essential for the production of thyroid hormones. Breast-fed infants are reliant on maternal iodine intake. The aim of this study was to evaluate iodine sufficiency in lactating women in Iran. The sample consisted of 100 lactating mothers referred to the Taleghani Hospital of Gorgan, Iran. Goiter was graded according to World Health Organization (WHO) classification. Spot urine and breast-milk samples were collected for the measurement of iodine concentrations. Urine iodine concentrations (UIC) less than 100 and breast-milk iodine concentrations (MIC) less than 50 μg/L were considered consistent with iodine deficiency. Forty-three percent of women had grade 1 and 2 goiters, respectively. The median UIC was 259 μg/L. UIC was less than 100 in 16. Grade 1 and 2 goiters were each present in 8 of mothers with UIC less than 100 μg/L. The median MIC was 93.5 μg/L. MIC was less than 50 μg/L in 19. Grade 1 and 2 goiters were present in 11 and 8, respectively, of women with MIC <50 mg/L. MIC and UIC levels were significantly correlated (r = 0.44, p < 0.0001). Iodine deficiency and goiter were associated (p < 0.0001). UIC and MIC concentrations are sufficient in Gorgan, Iran. However, individual infants remain at risk for low iodine intake via breast milk. © Mary Ann Liebert, Inc.

Item Type: Article
Additional Information: cited By 15
Uncontrolled Keywords: iodine; thyroid hormone, academic achievement; adult; article; breast feeding; breast milk; dietary intake; female; goiter; human; human experiment; iodine deficiency; Iran; maternal age; normal human; parity; prevalence; priority journal; statistical analysis; thyroid hormone synthesis; unemployment; urine level, Adult; Deficiency Diseases; Female; Goiter; Humans; Infant; Iodine; Iran; Lactation; Milk, Human
Subjects: مقالات نمایه شده محققین دانشگاه در سایت ,Web of Science ,Scopus
Divisions: UNSPECIFIED
Depositing User: GOUMS
Date Deposited: 22 Jul 2017 07:49
Last Modified: 22 Jul 2017 07:49
URI: http://eprints.goums.ac.ir/id/eprint/9287

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