Impact of Dietary Habit, Iodine Supplementation and Smoking Habit on Urinary Iodine Concentration During Pregnancy in a Catalonia Population

Torres, Maria-Teresa; Vila, Lluis; Manresa, Josep-María; Casamitjana, Roser; Prieto, Gemma; Toran, Pere; Falguera, Gemma; Francés, Lidia; the IODEGEST Study Group,

doi:10.3390/nu12092656

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Impact of Dietary Habit, Iodine Supplementation and Smoking Habit on Urinary Iodine Concentration During Pregnancy in a Catalonia Population

^1,2,3,

⁴

^2,5,6,*

⁷,

⁸,

^2,6,

^3,9,

¹⁰ and the IODEGEST Study Group^†

Sexual and Reproductive Health Care (ASSIR), CAP Antoni Creus Querol, Catalan Health Institute, 08228 Terrassa, Spain

Northern Metropolitan Research Support Unit (USR MN), University Institute in Primary Care Research Jordi Gol (IDIAP Jordi Gol), 08290 Cerdanyola del Vallès, Spain

Sexual and Reproductive Health Care Research Group (GRASSIR), University Institute in Primary Care Research Jordi Gol (IDIAP Jordi Gol), 08907 L’Hospitalet Llobregat, Spain

⁴

Endocrinology and Nutrition Service, Sant Joan Despi Moises Broggi Hospital, 08970 Sant Joan Despi, Spain

⁵

Departament of Nursing, Autonomous University of Barcelona, Bellaterra, 08193 Cerdanyola del Vallès, Spain

⁶

Multidisciplinary Research Group in Health and Society (GREMSAS), University Institute in Primary Care Research Jordi Gol (IDIAP Jordi Gol), 08007 Barcelona, Spain

⁷

Biochemistry and Molecular Genetics Service, Hospital Clinic, 08036 Barcelona, Spain

⁸

Health Assistance Management of Avila, 05001 Avila, Spain

⁹

Sexual and Reproductive Health Care (ASSIR), Northern Metropolitan Territorial Administration, Catalan Health Institute, 08202 Sabadell, Spain

¹⁰

School of Nursing, Faculty of Medicine and Health Sciences, Universidad de Barcelona, 08907 Hospitalet de Llobregat, Spain

Author to whom correspondence should be addressed.

^†

Detailed information can be seen in Acknowledgement.

Nutrients 2020, 12(9), 2656; https://doi.org/10.3390/nu12092656

Received: 14 July 2020 / Revised: 19 August 2020 / Accepted: 27 August 2020 / Published: 31 August 2020

(This article belongs to the Special Issue Maternal, Fetal and Postnatal Nutrition)

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Abstract

(1) Background: The nutritional status of women during pregnancy can have a considerable effect on maternal and fetal health, and on the perinatal outcome. Aim: to assess the changes occurring in dietary iodine intake, potassium iodide supplementation, and smoking habit, and the impact of these changes on the urinary iodine concentration (UIC) during pregnancy in a population of women in Catalonia (Spain). (2) Methods: Between 2009–2011, an observational study included a cohort of women whose pregnancies were monitored in the public health system in the Central and North Metropolitan areas of Catalonia. Women received individual educational counseling, a dietary questionnaire was completed, and a urine sample was collected for iodine determination at each trimester visit. (3) Results: 633 (67.9%) women answered the questionnaire at all 3 visits. The percentage of women with a desirable UIC (≥150 μg/L) increased from the first to the second trimester and remained stable in the third (57.3%, 68.9%, 68%; p < 0.001). Analysis of the relationship between UIC≥150 μg/L and the women’s dietary habits showed that the percentage with UIC ≥150 μg/L increased with greater consumption of milk in the first trimester, and the same was true for iodized salt use in all three trimesters and iodine supplementation in all three. (4) Conclusion: During pregnancy, increased intake of milk, iodized salt, and iodine supplements were associated with an increase in the UIC. View Full-Text

Keywords: pregnancy; iodine; dietary habits; iodine supplement; urinary iodine concentration

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

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MDPI and ACS Style

Torres, M.-T.; Vila, L.; Manresa, J.-M.; Casamitjana, R.; Prieto, G.; Toran, P.; Falguera, G.; Francés, L.; the IODEGEST Study Group. Impact of Dietary Habit, Iodine Supplementation and Smoking Habit on Urinary Iodine Concentration During Pregnancy in a Catalonia Population. Nutrients 2020, 12, 2656. https://doi.org/10.3390/nu12092656

AMA Style

Torres M-T, Vila L, Manresa J-M, Casamitjana R, Prieto G, Toran P, Falguera G, Francés L, the IODEGEST Study Group. Impact of Dietary Habit, Iodine Supplementation and Smoking Habit on Urinary Iodine Concentration During Pregnancy in a Catalonia Population. Nutrients. 2020; 12(9):2656. https://doi.org/10.3390/nu12092656

Chicago/Turabian Style

Torres, Maria-Teresa, Lluis Vila, Josep-María Manresa, Roser Casamitjana, Gemma Prieto, Pere Toran, Gemma Falguera, Lidia Francés, and the IODEGEST Study Group. 2020. "Impact of Dietary Habit, Iodine Supplementation and Smoking Habit on Urinary Iodine Concentration During Pregnancy in a Catalonia Population" Nutrients 12, no. 9: 2656. https://doi.org/10.3390/nu12092656

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