Nationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women

Iodine is an essential component of thyroid hormones, but excessive iodine intake can lead to thyroid dysfunction. Traditionally, Korean mothers consume brown seaweed soup (<i>miyeokguk</i>), a high source of iodine, after childbirth. There is controversy regarding the effects of excessi...

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Autores principales:	Do-Kyung Lee, Hunjoo Lee, Hyeyoung Lee, Taehyung Yoon, Seon-Joo Park, Hae-Jeung Lee
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	dietary iodine urinary iodine postpartum women <i>miyeokguk</i> Nutrition. Foods and food supply TX341-641
Acceso en línea:	https://doaj.org/article/0106a2032ec94256b188117e92302bb4
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spelling	oai:doaj.org-article:0106a2032ec94256b188117e92302bb42021-11-25T18:35:36ZNationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women10.3390/nu131139552072-6643https://doaj.org/article/0106a2032ec94256b188117e92302bb42021-11-01T00:00:00Zhttps://www.mdpi.com/2072-6643/13/11/3955https://doaj.org/toc/2072-6643Iodine is an essential component of thyroid hormones, but excessive iodine intake can lead to thyroid dysfunction. Traditionally, Korean mothers consume brown seaweed soup (<i>miyeokguk</i>), a high source of iodine, after childbirth. There is controversy regarding the effects of excessive postpartum iodine intake on the health of mothers and infants. Thus far, there have been no nationwide large-scale surveys regarding the status of iodine intake among postpartum women in Korea. Therefore, we conducted a nationwide survey of postpartum dietary iodine intake among Korean women. In total, 1054 Korean women aged ≥19 years, at less than 8 weeks postpartum, participated in this survey. Dietary data were collected using self-reported 2-day dietary records, along with before-and-after meal photos. To evaluate the correlation between dietary iodine and urinary iodine excretion (UIE), spot urine, and 24 h urine samples were collected from 98 and 29 participants, respectively. The mean daily iodine intake among all participants was 2945.6 μg, and it gradually decreased over time after childbirth. Dietary iodine intake was significantly correlated with 24 h UIE (r = 0.396, <i>p</i> < 0.05) and spot urine UIE (r = 0.312, <i>p</i> < 0.05). Follow-up studies are required to examine the influence of excessive postpartum iodine intake on thyroid health in mothers and their infants.Do-Kyung LeeHunjoo LeeHyeyoung LeeTaehyung YoonSeon-Joo ParkHae-Jeung LeeMDPI AGarticledietary iodineurinary iodinepostpartum women<i>miyeokguk</i>Nutrition. Foods and food supplyTX341-641ENNutrients, Vol 13, Iss 3955, p 3955 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	dietary iodine urinary iodine postpartum women <i>miyeokguk</i> Nutrition. Foods and food supply TX341-641
spellingShingle	dietary iodine urinary iodine postpartum women <i>miyeokguk</i> Nutrition. Foods and food supply TX341-641 Do-Kyung Lee Hunjoo Lee Hyeyoung Lee Taehyung Yoon Seon-Joo Park Hae-Jeung Lee Nationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women
description	Iodine is an essential component of thyroid hormones, but excessive iodine intake can lead to thyroid dysfunction. Traditionally, Korean mothers consume brown seaweed soup (<i>miyeokguk</i>), a high source of iodine, after childbirth. There is controversy regarding the effects of excessive postpartum iodine intake on the health of mothers and infants. Thus far, there have been no nationwide large-scale surveys regarding the status of iodine intake among postpartum women in Korea. Therefore, we conducted a nationwide survey of postpartum dietary iodine intake among Korean women. In total, 1054 Korean women aged ≥19 years, at less than 8 weeks postpartum, participated in this survey. Dietary data were collected using self-reported 2-day dietary records, along with before-and-after meal photos. To evaluate the correlation between dietary iodine and urinary iodine excretion (UIE), spot urine, and 24 h urine samples were collected from 98 and 29 participants, respectively. The mean daily iodine intake among all participants was 2945.6 μg, and it gradually decreased over time after childbirth. Dietary iodine intake was significantly correlated with 24 h UIE (r = 0.396, <i>p</i> < 0.05) and spot urine UIE (r = 0.312, <i>p</i> < 0.05). Follow-up studies are required to examine the influence of excessive postpartum iodine intake on thyroid health in mothers and their infants.
format	article
author	Do-Kyung Lee Hunjoo Lee Hyeyoung Lee Taehyung Yoon Seon-Joo Park Hae-Jeung Lee
author_facet	Do-Kyung Lee Hunjoo Lee Hyeyoung Lee Taehyung Yoon Seon-Joo Park Hae-Jeung Lee
author_sort	Do-Kyung Lee
title	Nationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women
title_short	Nationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women
title_full	Nationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women
title_fullStr	Nationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women
title_full_unstemmed	Nationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women
title_sort	nationwide representative survey of dietary iodine intake and urinary excretion in postpartum korean women
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/0106a2032ec94256b188117e92302bb4
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Nationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women

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